WASHINGTON - Presidential adviser Karl Rove took aim at four of the Bush administration's Democratic opponents in the Senate and received a standing ovation from a conservative legal group, defying his critics as he awaits his fate in the CIA leak investigation. Rove has kept a low public profile since his grand jury testimony a month ago, but he stepped into the limelight Thursday night. He spoke out on behalf of the administration's judicial selections, including Harriet Miers, whose Supreme Court nomination was withdrawn after opposition from the president's conservative base. "If you like every one of the 200 judges...