Scalise, the House Majority Whip, was among four people who were shot and wounded at a baseball field Alexandria, Virginia in June by a man who had ranted online about Trump.
A report released Friday also shows gunman James Hodgkinson cased out the baseball field for months and had videos of the field on his cell phone.
The legislation is a direct response to last week's shooting in Alexandria, Virginia, at a congressional baseball game practice.
As mass shootings become more common, the FBI has endorsed a training program for first responders—one that recommends civilians keep their guns holstered.
Rodney Davis said the day was a particularly memorable one for his family.
Another pro-Trump activist shouted "You are all Nazis!" during the play, in which the Trump-like main character is assassinated.
Nancy Pelosi, the top Democrat in the House, criticized some Republicans who have blamed the shooting on the left.
Steve Scalise was left fighting for his life after a shooting on Wednesday.
First pitch is at 7:05 p.m. EDT.
Rhetoric has remained intense on cable news despite pleas for calm following Wednesday's shooting at a congressional baseball practice.
Co-host Mika Brzezinski and Representative Mark Sanford each put at least some blame for Wednesday's shooting on the president.
Amid president and speaker Ryan's calls for unity, some Republicans are calling out violence on the left.
The Trump speech was a stark contrast to others the president has given in the past.
Hillary Clinton invokes Duke's name as a reminder of Trump's white nationalism.
Scalise admits it, but three attendees have claimed that he did not speak at the event.