NEW YORK — A Brooklyn judge’s son pleaded guilty to felony charges Wednesday for storming the Capitol during the Jan. 6 riot while dressed as a caveman, the Department of Justice announced. Aaron Mostofsky, 35, copped to civil disorder and theft of government property charges for his role in breaking into the Capitol building with hundreds of other Donald Trump supporters during the siege of the building as Congress was about to certify the vote from the 2020 presidential election. “What I’m doing here today is to express my opinion as a free American, my beliefs that this election was stolen,...