Hundreds of Americans yesterday turned up to donate blood to help the victims of the Las Vegas shooting.
The attack "underlines the importance of increasing worldwide efforts to eradicate terrorism and follow up the sources of its support and funding", said a statement issued by the Prime Minister Haider al-Abadi's office.
That's probably because of a pattern we've seen following mass shootings: Gun sales tend to surge in their aftermath.
"After every mass shooting, we re-learn the basic fact of gun politics - that the pro-gun forces are more highly motivated and better organized than the anti-gun forces", said Jack Pitney, a professor of politics at Claremont McKenna College. "You have a true friend and champion in the White House". "Charged with the solemn duty to protect and defend the American people, we must respond to these tragedies with courage, unity and decisive action", Pelosi said in her letter to Ryan.
If anything, Congress seems more apt to loosen gun laws.
Carrying an unconcealed firearm in public is legal.
After Las Vegas, the gun-silencer and concealed-carry bills are in limbo, according to published reports.
You can not bring a gun to a school or a university campus.
Mass shootings can also spark personal safety fears, which might boost gun sales.
Nevada has some of the least restrictive gun laws in the country. There's no limit on the number of guns a person can buy at one time.
It's legal to own assault weapons and large-capacity magazines for ammunition.
Acknowledging that he's "not the most political of our comics", O'Brien said he felt compelled to repeat what he said about the 2016 nightclub shooting in Orlando, Florida, in which 49 victims died.
"It's not that nothing happens", Winkler said.