generally yes, but not always, depends on the country they are imported from
true, but Toronto got into the game of "re-exporting" corals to the US many years back......you just need a good guy over there to pick corals for you
correct, and it is voluntary, not all countries choose to participate, Tonga being an example (at least 3-4 years back anyway). You don't get a CITES when you import from Tonga.