WASHINGTON — President Trump on Tuesday revoked any security clearances held by Covington & Burling law firm employees who provided pro bono services to former special counsel Jack Smith, who prosecuted Trump in a pair of since-ended criminal cases. “This is a good one. Is everybody listening? Deranged Jack Smith — we’re going to call it the deranged Jack Smith signing or bill,” Trump said in the Oval Office. “The weaponization of our system by law firms, even pro bono work they’re doing just in order to clog up government, stop government, and nobody knows about it more than me,...