Allston, Ma., 07/02/12, The Boston Celtics introduced their new draft picks at the Jackson Mann/Horace Mann Complex in Allston, MA, just before they unveil a renovated library and multipurpose room that was donated by the Boston Celtics Shamrock Foundation. Very comfortable in front of the media: Jared Sullinger, cq. On left is co-owner Wyc Grousbeck, in middle is President Danny Ainge. Section: Sports Suzanne Kreiter/Globe staff