File photo shows Republican challenger Carly Fiorina answering reporters' questions following a radio debate with U.S. Senator Boxer at the KPCC studios in Pasadena, California

 
File photo shows Republican challenger Carly Fiorina answering reporters
Republican challenger Carly Fiorina answers reporters' questions following a radio debate with U.S. Senator Barbara Boxer (not pictured) at the KPCC studios in Pasadena, California in this September 29, 2010 file photograph. The race between Fiorina and her Democrat rival, Boxer, is seen by party insiders as critical to holding onto their Senate majority in the traditionally Democratic California. Photo taken September 29, 2010. REUTERS/Mario Anzuoni/Files (UNITED STATES - Tags: POLITICS HEADSHOT ELECTIONS)