Moreover, the opposition National Action and Democratic Revolution parties, plus six minor ones, have now claimed a big step forward in their talks about an alliance for next July's presidential election.

ECONOMIST: Tabasco sauce

Now, this is perhaps the toughest test so far because there is one point separating Mr. Calderon, from the Conservative National Election Party, and Mr. Lopez Obrador, from the leftist Party of the Democratic Revolution.

NPR: In Election, Mexicans Faced a Dichotomy