Spring has sprung in New York, and as usual, the gossip birds are out in force in the city’s theatre scene. Latest tidbits out of the rumor mill: Tarzan may have issues, but it’s a Disney show, so it’s raking in the cash regardless; no one on Broadway knows what the hell a “Drowsy Chaperone” is supposed to be, or why anyone would pay money to watch it; and the supposedly dead-and-buried vampire musical “Lestat” may actually have some life left in it.