Secretary of State Marco Rubio embarks this weekend on his first foreign trip in office. He's heading to Central America to press President Donald Trump’s top priority — curbing illegal immigration — and bring the message that the U.

Secretary of State Marco Rubio defended President Donald Trump's interest in acquiring Greenland and gaining control over the Panama Canal, deeming it crucial for U.S. national security interests. During an appearance on SiriusXM's "The Megyn Kelly Show,

"This is in our national interest and it needs to be solved," Rubio said. Greenland's prime minister has repeatedly said the island is not for sale.