| Photo: Ewing/Retna Three separate times during his band’s sold-out show in New York last night, Dave Matthews posed a simple question to the audience: “Who starts a tour at Madison Square Garden?” It was as if it was the first time the Dave Matthews Band had ever played the legendary venue. And from the sound of the first few songs of the show, DMB seemed as if they were genuinely nervous playing in front of 20,000 fans, despite rocking the room numerous times in their career. The group kicked t |