The Latest: Man who chased gunman speaks at NRA meeting

People in the audience wait for the start of the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
FILE - In this April 28, 2017 file photo, President Donald Trump speaks during the National Rifle Association-ILA Leadership Forum, in Atlanta. As NRA prepares to gather for its 147th annual meeting in Dallas, the political landscape has changed considerably in the past year. Even with a GOP-led Congress and a gun-friendly president in the White House, its agenda has stalled. And a new generation seems to have the upper hand in pushing for gun-control after several deadly mass shootings. (AP Photo/Mike Stewart File)
People in the audience wait for the start of the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
Joe Nichols performs during the pre-show for the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
Joe Nichols performs during the pre-show for the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
Vice President Mike Pence and Chris Cox, executive director of the National Rifle Association-Institute for Legislative Action wave from the stage at the Leadership Forum in Dallas, Friday, May 4, 2018. (AP Photo/Sue Ogrocki)
The Joe Nichols band performs at the National Rifle Association-Institute for Legislative Action Leadership Forum in Dallas, Friday, May 4, 2018. (AP Photo/Sue Ogrocki)

The Latest: Man who chased gunman speaks at NRA meeting

People in the audience wait for the start of the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
FILE - In this April 28, 2017 file photo, President Donald Trump speaks during the National Rifle Association-ILA Leadership Forum, in Atlanta. As NRA prepares to gather for its 147th annual meeting in Dallas, the political landscape has changed considerably in the past year. Even with a GOP-led Congress and a gun-friendly president in the White House, its agenda has stalled. And a new generation seems to have the upper hand in pushing for gun-control after several deadly mass shootings. (AP Photo/Mike Stewart File)
People in the audience wait for the start of the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
Joe Nichols performs during the pre-show for the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
Joe Nichols performs during the pre-show for the National Rifle Association-Institute for Legislative Action Leadership Forum at the Kay Bailey Hutchison Convention Center on Friday, May 4, 2018, in Dallas. (Smiley N. Pool/The Dallas Morning News via AP)
Vice President Mike Pence and Chris Cox, executive director of the National Rifle Association-Institute for Legislative Action wave from the stage at the Leadership Forum in Dallas, Friday, May 4, 2018. (AP Photo/Sue Ogrocki)
The Joe Nichols band performs at the National Rifle Association-Institute for Legislative Action Leadership Forum in Dallas, Friday, May 4, 2018. (AP Photo/Sue Ogrocki)