Donald Trump says the U.S. needs control of Greenland and the Panama Canal "for national security." Here's why both places are so important.

Jonathan Martin, Politico politics bureau chief, joins CNBC's 'Squawk Box' to discuss expectations for the Trump agenda, how federal funds could be used to support California wildfire rescue efforts,

But Trump’s concerns are also heavily influenced by something he often does not acknowledge: climate change and its growing influence on national security.Start the day smarter. Get all the news you need in your inbox each morning.