Colombia's president-elect seeks unity after polarizing vote

Colombia's President Elect Ivan Duque celebrates his victory in the presidential runoff election, in Bogota, Colombia, Sunday, June 17, 2018. Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Fernando Vergara)
President Elect Ivan Duque shakes hands with supporters after his victory in the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Fernando Vergara)
Gustavo Petro, presidential candidate for Colombia Humana, smiles surrounded in ticker tape while he speaks to his supporters, after his rival Ivan Duque won the election, in Bogota, Colombia, Sunday, June 17, 2018. Duque, the young conservative protege of a powerful former president, was elected Colombia's next leader after promising to roll back a fragile peace accord that has divided the South American nation.(AP Photo/Martin Mejia)
Gustavo Petro, presidential candidate for Colombia Humana, speaks to his supporters, after his rival Ivan Duque won the election, in Bogota, Colombia, Sunday, June 17, 2018. Duque, the young conservative protege of a powerful former president, was elected Colombia's next leader after promising to roll back a fragile peace accord that has divided the South American nation. (AP Photo/Martin Mejia)
Supporters of Gustavo Petro, presidential candidate for Colombia Humana, cry as results of the vote count come in, giving an early advantage to his rival Ivan Duque, in Bogota, Colombia, Sunday, June 17, 2018. A preliminary count of nearly 85 percent of voting center reports indicates Duque has a lead of 13 percentage points over Petro. (AP Photo/Martin Mejia)
Supporters of Ivan Duque, candidate of the Democratic Centre party, celebrate his victory in the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. Duque, the young conservative protege of a powerful former president, was elected Colombia's next leader after promising to roll back a fragile peace accord that has divided the South American nation. (AP Photo/Fernando Vergara)
Colombia's President Elect Ivan Duque celebrates his victory in the presidential runoff election, in Bogota, Colombia, Sunday, June 17, 2018. Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Fernando Vergara)
Former President Alvaro Uribe looks at a grand child after voting during the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. Uribe's protégée Ivan Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Daniel Munoz)
Supporters of Ivan Duque, candidate of the Democratic Centre party, celebrate the incoming results of the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. A preliminary count of nearly 85 percent of voting center reports indicates Duque has a lead of 13 percentage points over Petro. (AP Photo/Fernando Vergara)
Supporters of Ivan Duque, candidate of the Democratic Centre party, celebrate the incoming results of the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. A preliminary count of nearly 85 percent of voting center reports indicates Duque has a lead of 13 percentage points over Petro. (AP Photo/Daniel Munoz)

Colombia's president-elect seeks unity after polarizing vote

Colombia's President Elect Ivan Duque celebrates his victory in the presidential runoff election, in Bogota, Colombia, Sunday, June 17, 2018. Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Fernando Vergara)
President Elect Ivan Duque shakes hands with supporters after his victory in the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Fernando Vergara)
Gustavo Petro, presidential candidate for Colombia Humana, smiles surrounded in ticker tape while he speaks to his supporters, after his rival Ivan Duque won the election, in Bogota, Colombia, Sunday, June 17, 2018. Duque, the young conservative protege of a powerful former president, was elected Colombia's next leader after promising to roll back a fragile peace accord that has divided the South American nation.(AP Photo/Martin Mejia)
Gustavo Petro, presidential candidate for Colombia Humana, speaks to his supporters, after his rival Ivan Duque won the election, in Bogota, Colombia, Sunday, June 17, 2018. Duque, the young conservative protege of a powerful former president, was elected Colombia's next leader after promising to roll back a fragile peace accord that has divided the South American nation. (AP Photo/Martin Mejia)
Supporters of Gustavo Petro, presidential candidate for Colombia Humana, cry as results of the vote count come in, giving an early advantage to his rival Ivan Duque, in Bogota, Colombia, Sunday, June 17, 2018. A preliminary count of nearly 85 percent of voting center reports indicates Duque has a lead of 13 percentage points over Petro. (AP Photo/Martin Mejia)
Supporters of Ivan Duque, candidate of the Democratic Centre party, celebrate his victory in the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. Duque, the young conservative protege of a powerful former president, was elected Colombia's next leader after promising to roll back a fragile peace accord that has divided the South American nation. (AP Photo/Fernando Vergara)
Colombia's President Elect Ivan Duque celebrates his victory in the presidential runoff election, in Bogota, Colombia, Sunday, June 17, 2018. Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Fernando Vergara)
Former President Alvaro Uribe looks at a grand child after voting during the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. Uribe's protégée Ivan Duque defeated Gustavo Petro, a former leftist rebel and ex-Bogota mayor. (AP Photo/Daniel Munoz)
Supporters of Ivan Duque, candidate of the Democratic Centre party, celebrate the incoming results of the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. A preliminary count of nearly 85 percent of voting center reports indicates Duque has a lead of 13 percentage points over Petro. (AP Photo/Fernando Vergara)
Supporters of Ivan Duque, candidate of the Democratic Centre party, celebrate the incoming results of the presidential runoff election in Bogota, Colombia, Sunday, June 17, 2018. A preliminary count of nearly 85 percent of voting center reports indicates Duque has a lead of 13 percentage points over Petro. (AP Photo/Daniel Munoz)