He has worked at the U.S. Department of State, on the National Security Council, and as a foreign policy adviser to U.S. Senator John McCain. Today, U.S. President Donald Trump will sweep back into power promising a new American approach to the world.

Donald Trump’s tough stance on Colombia over migration sparked quick retaliation and an even faster concession. In this Quick Take, Ian Bremmer examines how countries are responding to Trump's assertive foreign policy.

The United States froze virtually all foreign aid on Friday. Marco Rubio, the secretary of state, sent an internal memo days after Donald Trump took office vowing an “America First” policy of tightly restricted assistance overseas.

The president is increasingly threatening other countries with tariffs for issues that have little to do with trade.