Who do you trust, McCain or Obama?

TigerHawk has an interesting article on Andrew Sullivan’s comments about our recent successes in Iraq.  The article includes this quote from Sullivan:

Of course, this all makes Obama’s 16 month withdrawal timetable more and more feasible. It really now is a question of prudence and strategy in how best to withdraw troops. Do you trust McCain to get them all out swiftly and prudently? Or do you trust Obama to get them all out prudently and swiftly? It’s a judgment call.

Well, gee, let’s see.  I trust Obama to get us out swiftly and I trust McCain to get us out prudently.  How can Sullivan not see the difference?  And who do you trust?