Senator John McCain who, on the one hand, officially supports a troop surge, appears to be, on the other hand, opposing the troop surge implicitly or by proxy by encouraging Democrats in their opposition to the plan.
From a news article "Mr. McCain also said he thinks that Democrats who oppose a surge should make their legislation binding."
Murtha proposes bill to choke funding for surge (washtimes.com)
Mr. McCain goes on to say "Look, if these people are serious, that oppose this increase in troops and change in strategy, then they should vote to cut off funding."