Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at Central Campus High School in Des Moines, Iowa, Wednesday, Aug. 8, 2012. (AP Photo/Charles Dharapak)
It's the final day of a bus tour that began with the announcement of his running mate. Now, Mitt Romney heads to Ohio. ABC's Steven Portnoy is with Romney and says the selection of Paul Ryan has brought new energy to his campaign.
