They are only in Cuba to see what’s in it for themselves. No Congress person ever looks into anything; unless there is a payoff for them. Usually an underhanded and crooked payoff not meant to benefit the people they represent; only themselves.
That's certainly true for most of the self-serving, rapacious, greedy and corrupt SOB's in Congress Freekitty, but the CBC stands apart in it's ideological consonance with the likes of Castro.