United Airlines CEO Scott Kirby on Wednesday reiterated his support for a wealth tax as a matter of fairness amid criticism over his comments given his compensation.Kirby said in an interview with CNBC's "Squawk Box" that his prior comments in favor of a wealth tax were in response to a New York Times question about a non-consensus view that he holds, adding that "I'm not a politician, I'm not ever going to be in politics, nor am I a policy advocate for this or other programs.""I think a wealth tax in particular is a more fair – is just about fairness. Today, you probably pay 40% income taxes...