I will answer this because we are there.....i do not believe we should be there nor do i believe we should have US military bases on foreign soil....
that said......
1. What are the conditions for success/victory in Iraq?
An iraq that can govern and defend itself.
2. Have we met those conditions?
No
If not, can we, and how long would it take, given the right amount of resources/soldiers?
1 year
3. What are the conditions for troop withdrawal?
An iraq that can govern and defend itself or 1 year whichever comes first
Should the U.S. retain a residual military presence in Iraq?
Yes
If so, how many troops, and how long?
25,000, 5 years