Rep. Shelley Berkley's Senate campaign released an internal poll this afternoon after two new public autodial polls found the Democrat down by at least 6 points. A memo from the Mellman Group polling firm reported that Berkley led Republican Sen. Dean Heller, 41 percent to 38 percent, with 11 percent undecided. The campaign released a poll last week that had Berkley ahead by an identical margin. "As you know, every public poll in the 2010 Senate race proved to be far off the mark," the polling memo stated in reference to Senate Majority Leader Harry Reid's (D-Nev.) race last cycle. "So it is with the 2012 polling." (more…)