Gen. David Petraeus and Ambassador Ryan Crocker will describe Iraq's fragile state this week on Capitol Hill.
Troop levels could settle at 'presurge' levels of 140,000.
Some White House officials want to embrace victors in parliament; others don't want to abandon Musharraf.
The Secretary of State paid a surprise visit Tuesday amid signs that political reconciliation is gaining some traction in Iraq.
With elections there postponed until Feb. 18, and turmoil unabated, the Bush administration evaluates its options for spurring its war-on-terror ally toward greater democracy.