it is the eve of the iowa caucus, the start of the presidential primaries, you may have heard. and i m ari melber, with you right now for an msnbc special, a candidate slash defendant trump, reporting on his own clash of american politics, law, and how voters may assess the candidate, whose ear could end in the exalted oval office, or a small prison cell. that will depend on the outcome of several criminal trials, plus other cases. and the next person to track, and break it all down for you tonight on caucus eve, as the primaries begin tomorrow, some of trump s rivals are now invoking trump s legal problems as a general election problem for the ex president. obviously, the distractions of everything that s going on with all of these legal issues has been a huge thing for him. you re going to have criminal trials, you re going to have a lot of focus on things like january 6th by the media. and i think that ends up focusing the election on things that are going to be adva