While some of Lopez-Obrador's party representatives in congress have tried to separate themselves from his combative tactics, others say they will try and block Calderon from taking office.

NPR: Mexico's Obrador Vows to Continue Fighting for the Presidency

Experts predict that, next fall, the Republicans will likely take over at least four seats currently held by Democrats in the House of Representatives, helping the Party expand its majority in Congress.

NEWYORKER: State for Sale

The report pointed to the country's 30 GOP governors, saying they represent the future of the party, while criticizing the party's representatives in Congress.

WSJ: RNC Issues Scathing Analysis of GOP