Five thousand. That's the number of man-portable air-defense systems—more conveniently known as MANPADS and able to down low-flying planes—Venezuela has obtained from Russia, according to a Reuters scoop published Monday. It's the largest stash of shoulder-launched surface-to-air missiles in Latin America, and while US officials are worried about them ending up in dubious hands, the idea of them being in government hands may not be much more palatable. "The situation in Venezuela continues to deteriorate," CIA honcho Mike Pompeo told the Senate earlier this month. President Nicolas Maduro "gets more desperate by the hour." And many hours have passed since: The country on Saturday logged its 50th day of often-violent protests. What you need to know: