By Chris Hawley MEXICO CITY -- Thousands of protesters vowed Sunday to launch demonstrations across Mexico to fight President Felipe Calderon's plan to open the state oil monopoly to private investment.

By James C. McKinley Jr.

MEXICO CITY _ President Felipe Calderon is in the strange position of wishing voters would forget the night of his election, one year ago Monday. It isn't the outcome, but the circumstances, that remain a political problem for Calderon.

By Guerrero, Antonio Mexico's newly installed president faces a tough first year in office as he struggles to reconcile his promises with fiscal reality. Corn tortillas are a basic staple in Mexicans' diet.

By Diego Cevallos MEXICO CITY, Sep. 7, 2006 (IPS/