By Sarah N. Lynch WASHINGTON (Reuters) -The U.S. Justice Department on Monday asked a federal judge to sentence former President Donald Trump’s adviser Steve Bannon to six months behind bars, saying he pursued a “bad faith strategy of defiance and contempt” against the congressional committee probing the Jan. 6, 2021, attack on the Capitol. Bannon, 68, an influential far-right political figure, was convicted in July on two counts of contempt of Congress for defying a subpoena. Each count is punishable by between 30 days to one year in prison and a fine ranging between $100 to $100,000. He is d…