The Ukrainians of Alabama are not the kind of lobbyists whose visits strike fear into pro-Trump politicians in Washington. They are an ad hoc campaign group of expats and refugees who do their best to put Kyiv’s case politely to representatives of Congress and Senate. They do, however, have a secret weapon, in the form of an ex-US soldier from the town of Tuscaloosa, whose backstory is the kind the Beltway finds hard to ignore.