House Democrats frustrated over the Senate’s acquittal of President Donald Trump are pushing their oversight efforts toward the Justice Department and what they call Attorney General William Barr’s efforts to politicize federal law enforcement. Democrats have demanded more information about Barr’s intervention in the case of Roger Stone, a longtime Trump confidant who was convicted in November of lying to Congress and other charges. Barr this week overruled prosecutors who had recommended that Stone be sentenced to 7 to 9 years in prison.