Mexican President-elect Enrique Pena Nieto, who is set to take office on Saturday, will hit the ground running after a Tuesday meeting at the White House with President Obama. They have a chance to reshape U.S.-Mexico relations, observers say. (Associated Press)

Mexican President-elect Enrique Pena Nieto, who is set to take office on Saturday, will hit the ground running after a Tuesday meeting at the White House with President Obama. They have a chance to reshape U.S.-Mexico relations, observers say. (Associated Press)