Posted 03/16/07 A $2.5 million pledge from Board of Trustee member Joshua Boger ' 73, and Amy Boger will support planning for a new molecular and life sciences building at Wesleyan. Joshua Boger, pictured at left, who founded and currently serves as president and CEO of Vertex Pharmaceuticals Inc., of Cambridge, leads Wesleyan's Science Advisory Council, which works to strengthen the sciences at Wesleyan and to raise their visibility on and off campus. He also has served as a charter trustee of Wesleyan since 1999. Payette Associates of Cambridge, Mass., is working with faculty in the molecular and life sciences…