Republicans sources say Democratic could use Senate rules to slow final passage . Congressional leaders have to merge an $ 1 trillion Senate bill and $ 871 billion Senate bill . Many observers believe final version will look more like conservative Senate bill . Financing , public option are key sticking points between House , Senate versions .
Democratic sources say Republicans could use Senate rules to slow final passage . Congressional leaders have to merge an $ 871 billion Senate bill and $ 1 trillion House bill . Many observers believe final version will look more like conservative Senate bill . Financing , public option are key sticking points between House , Senate versions .