Alice Cooper. 78, is rockin’ better than ever and he’s got a hotshot new lead guitarist, Anna Cara, 22, from England (pictured), to take the place of Nita Strauss who’s having a baby. The last stop of “Alice’s Attic,” as he’s calling it, will on the waterfront in Camden May 9 and, as most experienced concert-goers know, the last show of any tour is always a blow-out, balls-to-the-wall affair. “This is like a dream-come-true,” gushed Cara.