but tomorrow, tomorrow, philadelphia, the choice you face when you step into that voting booth could not be clearer, and could not be more serious. on the economy, donald trump is uniquely unqualified to be our chief executive. that's why most ceos and economists don't support him. he would trigger a reckless trade war that cost jobs. strip 20 million americans of their health insurance. roll back the new rules designed to check wall street recklessness, and protect consumers. and would roll back the regulations we put in place to preserve this planet for our kids. on foreign policy, donald trump is temperamentally unfit to be commander in chief. >> former obama senior adviser, valerie jarrett, was in philadelphia when he said that. she is author of finding my voice, when the perfect plan crumbles, adventure begins. she joins me now. first of all, this debate commission rule change, what do you make of them muting the other candidate's microphone