WASHINGTON, DC - JULY 06: U.S. Sen. Christopher Murphy (D-CT) speaks to members of the media at the Capitol July 6, 2016 in Washington, DC. Senate Democrats held a weekly policy luncheon to discuss Democratic agenda. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: U.S. Sen. Tim Kaine (D-VA) arrives at the Capitol July 6, 2016 in Washington, DC. Senate Democrats held a weekly policy luncheon to discuss Democratic agenda. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: U.S. Sen. Ted Cruz (R-TX) speaks to members of the media at the Capitol July 6, 2016 in Washington, DC. Senate GOPs held a weekly policy luncheon to discuss Republican agenda.Ê (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: U.S. Sen. Richard Blumenthal (D-CT) arrives at the Capitol July 6, 2016 in Washington, DC. Senate Democrats held a weekly policy luncheon to discuss Democratic agenda. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: U.S. Sen. Ted Cruz (R-TX) speaks to members of the media at the Capitol July 6, 2016 in Washington, DC. Senate GOPs held a weekly policy luncheon to discuss Republican agenda.Ê (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: U.S. Sen. Tim Kaine (D-VA) arrives at the Capitol July 6, 2016 in Washington, DC. Senate Democrats held a weekly policy luncheon to discuss Democratic agenda. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: U.S. Sen. Richard Blumenthal (D-CT) speaks to members of the media at the Capitol July 6, 2016 in Washington, DC. Senate Democrats held a weekly policy luncheon to discuss Democratic agenda. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JULY 06: Andy Parker, father of murdered television reporter Alison Parker, holds up her picture during a rally with gun violence survivors, and families, at the US Capitol July 6, 2016 in Washington, DC. House Democratic are urging the House Republican leadership for votes on tougher gun laws. (Photo by Mark Wilson/Getty Images)