text: Thousands Rally for Mexico Presidential Favorite  MEXICO CITY (Reuters) - Some 160,000 Mexicans marched on  Sunday to support the presidential hopes of the capital's  leftist mayor who faces government-backed legal challenges that  could knock him out of the 2006 race.
inputs: Thousands Rally for Mexico Presidential Favorite  MEXICO CITY (Reuters) - Some 160,000 Mexicans marched on  Sunday to support the presidential hopes of the capital's  leftist mayor who faces government-backed legal challenges that  could knock him out of the 2006 race.