Democratic Leader Nancy Pelosi at a press conference on June 29 in San Francisco calling on Congress to hold a vote on new gun control measures. (Photo by Andrew Burton/Getty Images)
SAN FRANCISCO, CA – JUNE 29: Democratic Leader Nancy Pelosi leads a press conference at Zuckerberg San Francisco General Hospital and Trauma Center calling on Congress to hold a vote on new gun control measures on June 29, 2016 in San Francisco, California. There have been renewed calls from Democratic politicians for gun control measures in the aftermath of the mass shooting in Orlando earlier this month. (Photo by Andrew Burton/Getty Images)
