Gun politics

Messages people wrote are shown on a makeshift memorial, Tuesday, July 24, 2018, in Toronto, for the victims of Sunday's shooting. Canadian investigators said Tuesday there was no link to terrorism in the mass shooting that killed two people and wounded 13 as they continued to probe the life of the 29-year-old gunman for clues to what prompted the rampage that targeted diners at restaurants and cafes in a popular Toronto neighborhood. (Mark Blinch/The Canadian Press via AP)

A young girl writes a message on the sidewalk at a site remembering the victims of a Sunday evening shooting on Danforth Avenue, in Toronto on Monday, July 24, 2018. (Mark Blinch/The Canadian Press via AP)

FILE - This May 10, 2016, file photo, shows a handgun sitting on a desk in the Hawaii Department of Natural Resources hunter education classroom in Honolulu. A federal appeals court has ruled that the 2nd Amendment provides the right to openly carry a gun in public for self-defense. The 9th U.S. Circuit Court of Appeals ruled Tuesday, July 24, 2018, that Hawaiian officials had violated George Young's rights by denying him a permit to openly carry a loaded gun in public.(AP Photo/Marina Riker, File)

In this photo taken on Sunday, April 21, 2013, Maria Butina, leader of a pro-gun organization in Russia, speaks to a crowd during a rally in support of legalizing the possession of handguns in Moscow, Russia. Butina, a 29-year-old gun-rights activist, served as a covert Russian agent while living in Washington, gathering intelligence on American officials and political organizations and working to establish back-channel lines of communications for the Kremlin, federal prosecutors charged Monday, July 16, 2018. (AP Photo)

This courtroom sketch depicts Maria Butina, a 29-year-old gun-rights activist suspected of being a covert Russian agent, listening to Assistant U.S. Attorney Erik Kenerson as he speaks to Judge Deborah Robinson, left, during a hearing in federal court in Washington, Wednesday, July 18, 2018. Prosecutors say Butina was likely in contact with Kremlin operatives while living in the United States. And prosecutors also are accusing her of using sex and deception to forge influential connections. (Dana Verkouteren via AP)

Court papers unsealed Monday, July 16, 2018, photographed in Washington, shows part of the criminal complaint against Maria Butina. She was arrested July 15, on a charge of conspiracy to act as an unregistered agent of the Russian government. (AP Photo/Jon Elswick

Sheriff and chairperson, Bob Gualtieri, of Pinellas county, Fla., speaks during a state commission meeting as they investigate the Marjory Stoneman Douglas High School massacre and how Broward school district and others access threats, on Tuesday, July 10, 2018, in Sunrise, Fla. (AP Photo/Brynn Anderson)

FILE - In this Oct. 1, 2015, file photo, protesters gather on the West Mall of the University of Texas campus, in Austin, to oppose a new state law that expands the rights of concealed handgun license holders to carry their weapons on public college campuses and as of Aug. 1, 2016, they can carry in campus buildings. Attorneys for three University of Texas professors were set to ask a federal appeals court Wednesday, July 11, 2018, to revive their lawsuit against the law allowing people with concealed-handgun licenses to carry weapons on public campuses. (Ralph Barrera/Austin American-Statesman via AP, File)

Supreme Court nominee Brett Kavanaugh, right, walks past the press following a photo opportunity with Sen. Chuck Grassley, R-Iowa, on Capitol Hill in Washington, Tuesday, July 10, 2018. Kavanaugh is on Capitol Hill to meet with Republican leaders as the battle begins over his nomination to the Supreme Court. (AP Photo/Susan Walsh)