WHAT IF?Robert Gates answers the question, What if this escalation doesn’t work? His answer will not reassure youhttp://transcripts.cnn.com/TRANSCRIPTS/0701/12/sitroom.02.htmlJAMIE MCINTYRE, CNN SENIOR PENTAGON CORRESPONDENT: Well, Wolf, the Pentagon has high hopes for the new strategy in Iraq. But Defense Secretary Gates said today if it doesn't work, the U.S. can't just throw in the