California isn't the only place where farmers are worried about water. Much of the nation is in the midst of a severe drought.
There's no end to the drought in sight with higher than normal temperatures expected in the months to come, according to the latest forecasts.
But lately politicans have hardly been talking about climate change. We take a look at the role global warming is playing in the presidential campaign, and how things have changed since the 2008 election.
Coral Davenport, energy and environment correspondent for National Journal.
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