caucuses. many of them are unity sided. please welcome former vice president joe biden. >> thank you, erin. >> great to see you. great to see you. >>. [ applause ] >> we got a good crowd. >> great crowd. good to be back. >> good crowd on a poll night. >> thank you. >> are you ready? >> ready, get set, go. >> so let's get started and get straight to our audience. vice president, of course today is veterans day and we honor all those who serve and have served this great country. the first question we have tonight is from dave degner, served in the u.s. army reserve for nine years and spent 15 years as a truck driver. he's currently running for state senate here in iowa and is the democratic party chair and is teaching at a local community