3 breaking news this morning -- south bend mayor pete buttigieg is forming an exploratory committee for a 2020 presidential bid.this is all according to a video and email annoucement the associated press received.the democratic politician says democrats could benefit from a new generation of leaders as they try to unseat president donald trump in 2020.he's expected to travel to iowa next week to meet with voters in the nation's first caucus state, followed by stops in new