Democrat Rep. Mazie Hirono, right, hugs U.S. Senator Daniel Inouye after Hirono won the Democratic primary nomination for a Hawaii seat in the U.S. Senate, Saturday, Aug. 11, 2012 in Honolulu. (AP Photo/Marco Garcia)

Democrat Rep. Mazie Hirono, right, hugs U.S. Senator Daniel Inouye after Hirono won the Democratic primary nomination for a Hawaii seat in the U.S. Senate, Saturday, Aug. 11, 2012 in Honolulu. (AP Photo/Marco Garcia)