Valentine's Day was a week ago, but MSNBC's Chris Matthews has belatedly gifted a particular former president with a mash note - strike that, a one-hour special called "President of the World: The Bill Clinton Phenomenon," airing on the cable news channel Monday night. Why? Because it's Presidents' Day. Also because it's been a full decade since Clinton left office, embarking on an epic quest to remain at the forefront of the celebripoliticomedia hive mind. Or, as Matthews reminds us much more than once: He is Everywhere. "Bill Clinton's position in the world continues to grow. He's part dignitary, part humanitarian, part politician, part international statesman, and somehow, greater than them all, " he intones. For much of the hour, you'll wonder if you're watching one of Robert Smigel's old "X-Presidents" cartoon parodies for "Saturday Night Live." Matthews, aided by the likes of Terry McAuliffe,...