That wasn't much of a video, as for the US meddling in other countries elections I can tell you they did meddle in Honduras' elections just two years ago Trump was already president so it is ongoing. As for the Russian meddling in US elections that is a fact accepted by about everybody, not that Trump had anything to do with it, but that both sides Democrats and Republicans received help from the Russians is not negated by anyone. So, yes the Russians did help to get Trump elected.