Nationals Mascot Announced: In a surprising move, the Washington Nationals presented the team’s new mascot to reporters this morning. The choice? A giant walking bow tie. Meant to memorialize the efforts of D.C. Mayor Anthony Williams in bringing baseball back to the District after a three-decade absence, the “Nat Cravate,” as the mascot is to be known, will spin every time a National hits a home run and will loosen slightly during the seventh-inning stretch….