Republican presidential candidate Donald Trump vowed on Tuesday to summon Congress into a special session to end and replace the Affordable Care Act, as he portrayed the repeal of the contentious health-care law as a prime reason for voters to elect him.

In midday remarks in the battleground state of Pennsylvania, Trump went slightly beyond his previous promise to try to end the ACA, widely known as Obamacare, on the first day of a Trump administration. But his call for a special session puzzled many, as the current Congress is scheduled to reconvene after the election, and the new one will gavel in January, before Inauguration Day.

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