On today's episode of Cronkite Newswatch, it's Super Tuesday. We have a preview of what the elections mean to the Presidential hopefuls. Plus, a huge crackdown on drugs in Pinal County has has a significant effect. Washington D.C. has it's eye on drug trafficking as well. We have a live report on what they are doing to decrease the instances of drug tunnels. And a mansion in Chandler started with a great vision, but might end with it being torn down.

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