A spokeman for the Bush administration sent an e-mail to Jim Robinson and myself confirming the authenticity of a post on Free Republic this afternoon regarding the immigration bill currently before the Senate as having been posted on behalf of the White House.The spokesman, Nicholas Thompson, works for the White House Office of Strategic Initiatives. The Politico reported yesterday that Thompson and Kerrie Rushton, associate directors in the Office of Strategic Initiatives who work under Karl Rove, would be engaging the blogosphere on the immigration bill.Thompson's post is on the thread titled Penalty Mitigation in the Immigration Reform Bill, a...