Want to hear from Sen. McCaskill on Twitter? Follow her directions

Sen. Claire McCaskill (D-Mo.) on Tuesday layed out some ground rules for those who want a reply from her on Twitter.

McCakill, one of Congress' most prolific Twitter-users, wrote on her account:

My sincere thanks to followers who SINGLE tweet me.I carefully look for those, read them first.Those who tweet 6 in a row ...well.......

Now you know.

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