United States Secretary of State John Kerry responds to television journalists calling out that the audio is not working, as he begins a talk at an event marking the launch of the Cleantech Challenge ... more 
United States Secretary of State John Kerry responds to television journalists calling out that the audio is not working, as he begins a talk at an event marking the launch of the Cleantech Challenge Mexico 2014, in Mexico City, Wednesday, May 21, 2014. Kerry was visiting to reinforce bilateral relations with Mexico. (AP Photo/Rebecca Blackwell) less 
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Associated Press | Photo By Rebecca Blackwell
Wed, May 21, 2014 9:45 PM EDT