President Obama's continued promise that Americans would be able to keep their insurance coverage under the Affordable Care Act has come back to haunt him. On Wednesday, he argued that 'bad apple insurers" were responsible for canceled insurance plans.

Here's a look at the evolution of Obama's claims - first promising that Americans could keep their doctors, then pledging that they could keep their insurance plans and finally, on Wednesday, explaining why insurance plans might be canceled under the Affordable Care Act.