Democratic critics have different reasons for opposing the bill, and their opposition varies in its vehemence.

Rep. Eric Massa (D-N.Y.) a supporter of a “single-payer” system, opposes it because the public option isn’t strong enough. Other “single-payer” supporters in the party’s left wing could balk as well.

Some are definitive. There’s Rep. Gene Taylor (D-Miss.), a Blue Dog who is one of the most conservative members of the Democratic Caucus. He told a town hall meeting last month, “I would hope by now that everyone in this room knows that I am not going to vote for the healthcare plan.”

Rep. John Adler (D-N.J.), a vulnerable Democrat, was equally blunt. He told a group of constituents last month, “The bill that’s coming through the House, with or without the public option, isn’t good for America.”

Others, such as Rep. Henry Cuellar (D-Texas), say they can’t support the bill “in its current form.”