Somewhere Fun *1/2
"Somewhere Fun" - really?          By Sandi DurellDon't let the title mislead you. There's really very little fun in Jenny Schwartz' surreal new play (she wrote God's Ear, 2008, Vineyard). You think that because you get some chuckles in Act I when the marvelous Kate Mulgrew, who plays Rosemary Rappaport, is relentless in her jabbering "all about me" wordy dialogue t…