economy, lowering employment rates, and any other term in american history, it is a strong case to make, and by the time you settle into the general election which is going to be just a few short months once the republicans, i think, formally nominate donald trump, that choice will be clear. the american people will speak in unison. they want joe biden over trump maga extremism. that is why i don't take too seriously any threats from a primary challenge to the president. >> carlos, we will turn to the republican field, new numbers from the latest nbc news des moines registered poll taken before the debate among iowa republicans to participate in next year's caucuses, according to some of the state, up 46% of those voters described themselves as margaret publicans. it is actually more than the 42% who say donald trump is their first choice for president. how should we read those results? because it doesn't give any