Senator Marco Rubio came to Donald Trump’s defense on Sunday, claiming he had “zero concern” about Trump’s recent threat against nations he deems are failing NATO’s guidelines.“That’s not what happened, and that’s not how I view that statement,” Rubio told CNN’s State of the Union, when asked what he thought about Trump’s recent admission that he had told a president “of a big country” that he wouldn’t defend NATO allies from Russian invasion if they “don’t pay.”“No, I would not protect you,” Tr