This handout video frame grab image provided by C-SPAN2 shows Senate Majority Leader Harry Reid of Nev., left leading Hawaii's newest Sen. Brian Schatz, center, and retiring Hawaii Sen. Daniel Akaka, walking on the Senate floor on Capitol Hill in Washington, Dec. 27, 2012, where Vice President Joe Biden administered the Senate oath to Schatz. Schatz replaces Sen. Daniel Inouye, D-Hawaii who died last week. Akaka is retiring and will be succeeded by Rep. Mazie Hirono who was elected in November. (AP Photo/C-SPAN2)

This handout video frame grab image provided by C-SPAN2 shows Senate Majority Leader Harry Reid of Nev., left leading Hawaii's newest Sen. Brian Schatz, center, and retiring Hawaii Sen. Daniel Akaka, walking on the Senate floor on Capitol Hill in Washington, Dec. 27, 2012, where Vice President Joe Biden administered the Senate oath to Schatz. Schatz replaces Sen. Daniel Inouye, D-Hawaii who died last week. Akaka is retiring and will be succeeded by Rep. Mazie Hirono who was elected in November. (AP Photo/C-SPAN2)