Wednesday's deadly shooting in Charleston, South Carolina, was, for the president, a reminder that the U.S. has done little to curb gun violence, and he called on the U.S. to take action.
"Now is the time for mourning and for healing, but let's be clear: at some point, we as a country will have to reckon with the fact that this type of mass violence does not happen in other advanced countries," Mr. Obama said Thursday. "It doesn't happen in other places with this kind of frequency and it is in our power to do something about it."
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But in the same breath, he anticipated the pushback from Congress, given its relative inaction after the 2012 shooting at a Newtown, Connecticut elementary school and he continued, "I say that recognizing the politics in this town foreclose a lot of those avenues right now."
Still, several candidates vying for the White House talked about what they thought should be done -- and the reaction has varied.
Here's a look at where the 2016 field stands on gun control legislation: