Trump's Pentagon choice says U.S. needs to be ready to confront Russia

By Phil Stewart and Patricia Zengerle WASHINGTON (Reuters) - Donald Trump's pick to lead the Pentagon put Russia at the top of a list of threats to U.S. interests on Thursday and told Congress that America must be ready to confront Moscow where necessary, even as he backed Trump's bid for better relations. The remarks by retired Marine General James Mattis were the latest by one of Trump's Cabinet picks that veered away from the president-elect's campaign rhetoric, which included praise for Russ