White House insists president has done nothing wrong, refuses to answer why president would need to pardon himself; White House refuses to say why president's lawyers are cooperating with special counsel probe after he called it "unconstitutional"; First person jailed in Mueller probe released; Clinton says he doesn't owe Lewinsky a private apology; Melania Trump schedules first appearance in weeks; Trump lawyers: president dictated statement; Kim Jong Un purges three top generals; Trump claims right to pardon himself; via Knit