WASHINGTON, Sept. 19 -- The Democratic Senatorial Campaign Committee posted the following news release: * * * Susan Collins Calls Provisions to Prevent Health Care From Becoming More Expensive a "Poison Pill" * In explaining her opposition, Collins asserted there was no " deadline " for action on Affordable Care Act tax credits despite Maine officials urging immediate action With Mainers facing health insurance rate hikes of " as much as 117%," Senator Susan Collins dismissed efforts to pr  more