(CNN) - Your guide to where the race stands for the Republican presidential nomination:
GOP delegate estimate (as of 3/22/2012):
- Mitt Romney: 562
- Rick Santorum: 249
- Newt Gingrich: 137
- Ron Paul: 71
Needed to clinch GOP nomination: 1,144
Access the latest here.
To see where the candidates are campaigning today, see below.
Washington (CNN) - When expectations of a bipartisan Congress seem like a bygone tradition, two men who embodied leadership often beyond party politics were honored in Washington for their combined century of service.
Senators Bob Dole and Howard Baker served in Congress for nearly 100 years between them.
The CNN Washington Bureau’s morning speed read of the top stories making news from around the country and the world. Click on the headlines for more.
CNN: Jeb Bush endorses Romney, calls on party to unite
Former Florida Gov. Jeb Bush, whose endorsement has been highly-sought during the 2012 GOP primary contests, announced Wednesday he was backing presidential candidate Mitt Romney. In a statement, Bush congratulated Romney on his win in Illinois's primary, held Tuesday, and said it was "time for Republicans to unite behind Governor Romney."
CNN: Obama Goes After Solar Opponents in Nevada
President Barack Obama kicked off a two-day energy tour on Wednesday with a stop here at the largest photovoltaic – producing voltage from energy sources such as light – solar facility in the United States, Copper Mountain Solar 1. Speaking just 30 miles south of the Las Vegas strip, Obama reaffirmed his administration's commitment to an "all of the above" approach to domestic energy production, and called the solar sector an "industry on the rise."