Tags: Congress

President Barack Obama has a stern message for the younger generation about their political priorities: care more about climate change, and less about legalizing marijuana.

U.S. Secretary of State John Kerry told Republicans who control Congress on Wednesday they would not be able to modify any nuclear agreement struck between the United States and Iran.

Forty-seven Republican U.S. senators warned Iran's leaders on Monday that any nuclear deal with President Barack Obama could last only as long as he remains in office, an unusual partisan intervention in foreign policy that could undermine delicate international talks with Tehran.