welcome back. tonight in 2020 vision, the crowded democratic presidential primary is going to be ugly. that we know. and that's reason enough for at least one candidate to say, i'm not running. >> it's time for democrats to grow a backbone and stand up for what we believe. >> deval patrick, once one of the democratic party's rising stars, has decided not to run for president in 2020. in a statement today, the former massachusetts governor says he won't seek the dnomination, citing quote, cruelty of the election process. the inevitable comparisons with a fellow bay stater, elizabeth warren, had already started to ramp up after he met with president obama earlier this year. >> i describe myself as a