House leaders would insist that the Senate make some changes later under a complex plan called “budget reconciliation.” It requires only a simple majority, but it’s unclear whether that could happen.

The plan is highly problematic. House liberals already are bristling over changes the Senate forced upon them earlier, and some may conclude that no bill is better than the Senate bill. Meanwhile, some moderate Democrats may abandon the health bill altogether after seeing a Republican win Kennedy’s seat in strongly Democratic Massachusetts…

“The simplest way is the House route,” a White House aide said Sunday, speaking on condition of anonymity because Democrats have not conceded the race to Brown.