Chuck Grassley, the Iowa Republican, is one of the Senate's most tech-savvy members. He's been on Twitter since 2007, connecting with constituents and sharing his thoughts on a variety of important issues. Here are some of his most powerful tweets from the past year.

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Ûü — ChuckGrassley (@ChuckGrassley) November 3, 2011

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N — ChuckGrassley (@ChuckGrassley) October 4, 2012

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Welcome to Twitter Pope Benedict. U will find it useful and interesting — ChuckGrassley (@ChuckGrassley) December 3, 2012

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If — ChuckGrassley (@ChuckGrassley) November 16, 2012

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A good place to eat is Noodle Zoo inDsm dwntwn by Captlbldg I just 8 there. — ChuckGrassley (@ChuckGrassley) August 3, 2012

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