In the LATimes:

Roberts is widely regarded as extremely intelligent. Unlike conservative ideologues such as Antonin Scalia or Clarence Thomas, he prefers not to rewrite legal doctrine with sweeping new decisions. He is not the sort of nominee who you’d think should start a culture war.
Unfortunately, somebody forgot to tell that to NARAL Pro-Choice America, which has launched a new television ad assailing Roberts. The ad itself is highly misleading. It berates Roberts for arguing, during his tenure in George H.W. Bush’s Justice Department, that the 1871 Ku Klux Klan Act could not be used to stop antiabortion protesters. NARAL’s ad interprets this argument to mean that Roberts would be “a justice whose ideology leads him to excuse violence against other Americans.”

Read what he has to say about the Right though. too. Hint: He brings up “disproportionately poor, uneducated, and easy to command.”