Feinstein warns Republicans not to stop Iraq debate Sun Feb 4, 2007 2:10 PM ET By Susan Cornwell WASHINGTON (Reuters) - Democrat Sen. Dianne Feinstein on Sunday warned Republicans not to block consideration of a measure opposing President Bush's troop increase in Iraq, saying it would be a "terrible mistake" to prevent debate on the top issue in America. With a Senate vote set for Monday on whether to consider the bipartisan resolution, Feinstein warned that if the nonbinding measure is blocked, even tougher proposals against the president's Iraq policy will surface before long. "It's obstructionism," the California senator fumed...