India, Oct. 16 -- US Secretary of State Marco Rubio has defended President Donald Trump's "America First" foreign policy, arguing that Washington must prioritize American interests over international institutions and the existing global order, while using diplomacy to manage differences with allies.

In an interview with Breitbart News at the State Department on Thursday, October 15, Rubio rejected criticism of the policy and said putting America first was a matter of common sense. His remarks followed Trump's address to the United Nations General Assembly, where the president emphasized using American power to advance US interests.

"I think at its core everyone understands that our foreign policy-which is what I can speak about-has to b...