That's a Blue Dragon (Glaucus atlanticus). They can eat the nematocysts from jellyfish and store them to reuse as their own stinging cells. So..."dangerous," not really but as painful as they are beautiful...oh yes.
or the guy that pissed in the holding reservoir in Portland. The utility dumped all (I forget the exact number) 7 million gallons or so but his fine was in the thousands of dollars and not what the retail cost of that amount of water would be.
What McCabe should have said, probably wanted to say and would be correct in saying was that Drumph is a "Useful Idiot" to Putin