Hand-in-hand, opposition leader Maria Corina Machado and her replacement candidate for the July 28 presidential election, Edmundo Gonzalez Urrutia, ride through a sea of supporters in Caracas to kick off the campaign. Amidst great uncertainty, with incumbent Nicolas Maduro accused of political persecution, there's a sense of hope in the crowd, ready to "support whoever they have to support to bring down the government." IMAGES AND SOUNDBITES [COMPLETE WITH 362R2F8]