UPDATE 1-AbbVie CEO defends Pharmacyclics deal to skeptical investors
March 05, 2015 at 17:23 PM EST
NEW YORK, March 5 (Reuters) - AbbVie Inc chief Richard Gonzalez fought two other drugmakers to "the bitter end" to buy Pharmacyclics Inc for its hot-selling Imbruvica cancer drug, but may have a harder time convincing investors it is worth $21 billion.