. >> democratic economic advisor jarrod bernstein takes us around charlotte way pit stop at the nascar hall of fame, for an unusual policy demonstration. >> brown: what will it take to convince voters still on the fence? ray suarez watched mitt romney's speech last night with a group of undecided virginians. >> i thought it did a very good job of personalizing him. i thought he came across just a little more human. >> i just don't know if he has the fire to actually convince people to jump on board, whatever his policies end up. >> woodruf and back from tampa, before heading to charlotte, are mark shields and david brooks. that's all ahead on tonight's newshour. >> major funding for the pbs newshour has been provided by: ♪ ♪ ♪ ♪ ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy, productive life. >> and with the ongoing support of these institutions and foundations. d... >> this program was made possible by the corporation for public broadcas