Attorney General Eric Holder was a guest of The Huffington Post at the correspondents' dinner. Before it began, a HuffPost reporter noted to Holder that Obama's reference to "congressional law" was misleading because the executive branch could simply remove marijuana from its "schedule one" designation, thereby recognizing its medical use.
"That's right," Holder said.
After Kimmel's speech, a Holder deputy told HuffPost that there was no coordinated war on medical marijuana, but that some individual clinics were breaking both state and federal laws.
This story has been updated with remarks from Attorney General Eric Holder and a Holder deputy.
Ryan Grim contributed to this report.