Mrs. Gillibrand, New York Democrat, said Sunday that President Obama simply should have been “more specific” when he declared that those people who liked their insurance could keep it, a pledge that clearly has been broken amid growing reports of Americans being booted from their plans because the insurance policies don’t comply with the standards in Obamacare.

“We all knew,” Mrs. Gillibrand said on ABC’s “This Week,” referencing the fact that she and many others were fully aware that Obamacare would result in cancellations.