Daily Roundup

News from 'round the sphere:

On the trail...:

* In Iowa, Bill Clinton Heckled By... a Robot - National Journal

* Romney To Run Ad Against Huckabee - Yahoo

* Bill Says Hillary Was Always The One - MSNBC

* Accountability Needed on Immigration By Next President, Group Says - Agape Press

* Poll: Huckabee Would Lose by Double-Digits To Top Dems - CNN

News:

* Vet Lauds Female Church Guard Who Felled Gunman - Denver Post

* Sen Obey (D-Wis) Threatens To Kill Budget, Iraq Defense Deals - Fox News

* Peer-reviewed Study Says Humans Are Not Heating Up the Planet - Agape Press

* Opposition Group Claims Iranian Weapons Program Halted, Moved, Then Restarted - Fox News

Opinion:

* American Troops Are Winning - Where are the Democrat Leaders? - The Washington Times

* Democrats and Tax Hikes are Linked - National Review Online

* The NIE Fantasy - WSJ.Com Opinion Journal