EXPLAINER: How states are seeking to loosen controls on guns
Mass shootings in Georgia and Colorado that left at least 18 people dead since last week are reigniting calls from gun control advocates for tighter restrictions on buying firearms and ammunition. But with Democrats in control of the federal government, gun rights advocates have been persuading Republican-run state legislatures to go the other way, making it easier to obtain and carry guns.How are the politics of gun legislation playing out in the United States this year? Here's the breakdown.PROSPECTS MIXED FOR LEGISLATIONThis month, the Democrat-controlled U.S. House of Representatives adopted measures to expand background checks to all gun purchases and expand the time to to vet people flagged in a nationwide background check system.But to pass in the Senate, the support of every Democr...