The Department of Justice has accused two people of selling a rifle to Ryan Routh, who was charged with trying to kill President Trump at his Florida golf club last year. Two defendants — Tina Brown Cooper and Ronnie Jay Oxendine — have pleaded guilty to gun-related charges in federal court, after being indicted in March and arrested in April. Cooper pleaded guilty to firearm trafficking on Monday, and Oxendine pleaded guilty last month to possessing an unregistered firearm after police found a short-barreled shotgun in his storage building. In court papers filed in both cases as part of the...