By Sarah N. Lynch WASHINGTON (Reuters) -Jury selection was proceeding on Monday in the criminal trial of Steve Bannon, a prominent former presidential aide to Donald Trump, for defying a subpoena from the congressional committee investigating last year’s attack on the U.S. Capitol by a pro-Trump mob. Bannon, 68, is facing two misdemeanor counts of contempt of Congress after he declined last year to provide testimony or documents to the Democratic-led House of Representatives select committee. As of mid-afternoon, 17 potential jurors had been deemed qualified to serve in the trial after questio…