Eli Lilly CEO John Lechleiter (photo) hasn't budged from his vow not to pursue a megamerger, as many of the pharma's rivals have done. "We are not interested in a large-deal combination," the exec said at the Sanford C. Bernstein investor conference. Lilly (NYSE: LLY) has some tough years ahead, particularly between 2012 and 2014, when several of its major drugs go off-patent. But Lechleiter is committed to avoiding a big buyout and will rely instead on his company's pipeline to...