Republican pundits (Repundits?) continue to call for Karl Rove's resignation, amidst new Rove-related questions from Patrick Fitzgerald. Could the Brain be on his way out after all?

William A. Niskanen, chairman of the libertarian Cato Institute, told Reuters on Tuesday that Bush has to "sacrifice" some top aides starting with Rove, who he said has given good campaign advice but poor guidance on getting legislation passed.

Sen. Trent ["The Best Man, Woman, or Minority"] Lott (R-Miss.) said on MSNBC's "Hardball" the same day, "The question is, should he be the deputy chief of staff for policy under the current circumstances?"

William Niskanen, Trent Lott, and every liberal in the country. Now that's a braintrust!