Henrique Capriles talks to Al Jazeera

Venezuela is preparing for its presidential election on Sunday, where Hugo Chavez has a comfortable lead in the polls.

But challenger Henrique Capriles poses the toughest challenge yet to the president’s bid for re-election.

Al Jazeera’s Lucia Newman caught up with Capriles on the campaign trail, and asked him about the triumphs and obstacles of his candidacy.