The White House Security Council exists to offer presidents advice and information to guide their decisions — but that dynamic was flipped when Donald Trump was commander in chief, according to a columnist.

Former Trump national security advisor Robert O'Brien told FNC's "Sunday Morning Futures" why Donald Trump is talking about buying Greenland and seizing back control of the Panama Canal. About the Panama Canal: "We love the Panamanians.

Former National Security Adviser Amb. Robert O'Brien breaks down foreign policy under a second Trump administration, the president-elect's demanding the return of the Panama Canal, the purchase of Greenland and the threats posed by China.

Former national security adviser Robert O’Brien said in a Sunday interview that Denmark should let the U.S. “buy” Greenland if it cannot defend the self-governing country, noting the territory will become increasingly important in the coming years.

Former Trump national security advisor Robert O'Brien explained on FNC's "Sunday Morning Futures" why Donald Trump wants to buy Greenland and control the Panama Canal. Both Trump targets have given strong pushback regarding any potential takeovers,