show next. >>> i am a unifier. >> donald trump is the no nothing candidate. >> donald is a bully. >> this is an individual who mocked a disabled reporter. >> he would not be the commander in chief we need to keep our country safe. >> his domestic policies would lead to recession. his foreign policies would make america and the world less safe. >> i bring people together. everybody loves me. >> he needs therapy. >> hillary clinton campaign in a new ad effectively narrated by mitt romney using republicans to make the case against the newlily minuted republican nominee for president. now the republican effort to stop donald trump during the republican primary did not work, but what can democrats learn if anything from that process about what might work against them -- against him by them? joining us now is the founder of our principals pack which is a anti-trump super pac.