Trump fires warning shot at NATO ahead of meeting with secretary general
President Donald Trump voiced his growing frustration with NATO on Monday, just two days before he’s slated to host Secretary General Mark Rutte at the White House, and suggested he might decline to defend the alliance from Russia.

TL;DR
- President Trump is frustrated with NATO's spending.
- He stated that NATO allies have not been there for the U.S.
- Trump suggested the U.S. might not defend NATO from Russia.
- He cited the high U.S. expenditure on the alliance.
- He mentioned that allies refuse to help even with "small stuff".