Wesleyan University’s Center for the Arts (CFA) continues the celebration of its 50th birthday with a spring semester, featuring an anniversary exhibition and live performances by alumni, plus staged readings and workshops on campus. Director Joshua Lubin-Levy ’06 said that he and his staff are spending time rethinking the legacy of artists who have touched the spaces since the buildings opened in the fall of 1973, the impacts they’ve had, and how it all might guide the choices they will make for the CFA. “From an alumni exhibition in the Ezra and Cecile Zilkha Gallery that rethinks the very concept…