joining me now, david brock, democratic strategist and susan del percio, a republican strategist and msnbc political analyst. david, let me start with you, does bernie sanders have to win michigan to bring back some kind of moment and some kind of feeling that he is still in this race with a serious chance of turning around the lead of vice president -- former vice president biden, even with still not knowing the final count in california? >> right, yes, i think he does. particularly because senator sanders won last time and i think he needs to win it by a convincing margin. if you look at the other states in play on the 10th, it's going to be very hard if sanders doesn't have a substantial up in michigan to lead biden. you think about the 13th be is so gaunting for sanders because that may be the day we know essentially who the nominee is. and i think basically what's happened here is the democratic electorate ended up being more pragmatic than risk-adverse than many people had thought. people -- i think sanders people looked a little too soon, particularly in nevada, and there was a