Democratic Senator Mary Landrieu reacts while delivering a concession speech after the results of the U.S. Senate race in Louisiana during a runoff in New Orleans, Louisiana, December 6, 2014. Landrieu conceded defeat to Republican challenger Bill Cassidy in a runoff election on Saturday, a result expanding the Republican majority in the U.S. Senate at the expense of one of the chamber's last remaining southern Democrats. | (Photo: Reuters/Jonathan Bachman)
