Scott Brown, IMHO, was always luke warm at best on 2A issues anyway. He supported the MA state AWB prior to being elected to the US Senate. My suscpicion is that he softened his stance on gun control to win Tea Party support while campaigning.
Smith, and Wesson, and Me. -H. Callahan
Well waddaya know, one buwwet weft! -E. Fudd
All bad precedents begin as justifiable measures. -J. Caesar