DENVER -- Jay Cutler's been the Denver Broncos' starting quarterback all of one practice and he's already a rattled rookie. Cutler was playing it cool in his first interview at the podium when fellow rookies Brandon Marshall and Tony Scheffler began heckling him from the side. Cutler tried to keep from laughing and couldn't. "I'm excited," Cutler said. "And a little nervous." The Cutler Era has officially started. Coach Mike Shanahan ended the speculation Monday by elevating the rookie to starting quarterback for the rest of the year, sending Jake Plummer to the bench. "He's our future, he's our present,"...