Obama says US must block shooters from guns

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WASHINGTON – President Barack Obama says the U.S. can and must make it harder for would-be mass shooters to kill by making it harder for them to obtain guns.

Obama gave an Oval Office address on terrorism and the U.S. response following attacks in California and Paris. He's calling for Congress to prohibit people suspected of terrorism or on the no-fly list from buying guns.

Obama says he knows some people reject all gun safety measures. But he says no matter how effective law enforcement and intelligence is, they can't identify every would-be shooter. Obama says it's a matter of national security to prevent those people from getting guns.

Obama has urged stricter gun laws following the California shootings, but like previous mass shootings, those calls have met resistance from gun control opponents. Gun rights advocates oppose the no-fly list proposal because they say it violates the rights of people who haven't been convicted of a crime.

The president also emphasized that the nation was not at war with Islam, and that the terrorists want Americans to believe they are.

"We cannot turn against one another," he said.

The Associated Press contributed to this report.