Venezuelan opposition leader and newspaper editor Teodoro Petkoff will launch his presidential bid this week to run against President Hugo Chávez, a campaign organizer said Wednesday. Petkoff will make the announcement in a pre-taped message to be shown on television Thursday night, the campaign organizer said, speaking on condition of anonymity because he was not authorized to act as a spokesman. He said Petkoff will run as an independent and plans a nationwide tour starting this weekend. Full Story