Confirm Them (a site you should bookmark, by the way) has more on efforts to smear Brown.
Update #2: Cynthia Tucker says that Brown is outside the mainstream. Then how did she manage to win "reelection to her state supreme court seat with a stunning 76 percent of the vote in one of the bluest of the blue states, California?" asks Steven G. Calabresi. Tuckers mainstream is, of course, that of the Democratic Left.