So what might those be? Political scientist John McGlennon at the College of William and Mary in Virginia says it is too soon to know.

VOA: special.2010.03.06

One of the top U.S.experts on Mexico, William Grayson at the College of William and Mary in Virginia, says Mexicans strongly support Mr.Calderon's fight against the criminal gangs.

VOA: standard.2009.06.09