Firearms salesman Nathan Williams at the Outdoorsman gun shop in Santa Fe, N.M., on Jan. 5. Since Donald Trump's election, background checks have fallen three straight months from year-ago levels.
A box of 500 .22 cal. bullets are offered for sale at an Illinois gun store in 2012. California voters are voting on a measure that would require ammunition buyers to face the same background checks gun buyers in the state do.
Scott Olson/Getty Images
"I think that urban America has got to respect what rural America is about, where 99 percent of the people in my state who hunt are law abiding people," the 2016 Democratic presidential hopeful said to NPR.
President Obama speaks in April after the Senate rejected a bill that would expand background checks on guns. The White House is seeking to clarify rules that bar firearm possession due to mental health problems.
Manuel Balce Ceneta/AP