The former first lady and secretary of state made her 2016 plans official on her campaign website Sunday.
She says in a video that "everyday Americans need a champion. I want to be that champion."
Clinton is aiming to be the first female president...
The NRA's annual meeting takes place April 10-12, and the GOP politicians are scheduled to appear as part of an event put on by the NRA's lobbying arm, the Institute for Legislative Action.