Ebrard and a range of governors are pushing for PRD President Jesús Ortega to stay on until August 2011, when the last round of state elections ends before the 2012 presidential election.
Before the andresmanualistas and bejaranistas start howling "¡Continuismo! it is worth recalling that while Ortega's 3-year tenure was supposed to start in March 2008, when he won the internal PRD elections, this heavily disputed and dirty election was not settled until November 2008 by the courts. It therefore makes quite sense that he would serve for the period for which he actually was elected.
A bit more from La Jornada here.