pictures, 24/7. as campaign season sicks off, president obama is hitting the road to unveil some new proposals to try to jump start the u.s. economy and create some needed jobs. mr. obama is about to head off to a labor day event in milwaukee where he ll announce a $50 billion plan to invest in the nation s roads, theral way railways and the air force. mike emanuel traveling with the president is in milwaukee and how will this infrastructure proposal work? reporter: well, gregg, essentially the president wants to lay it out, he s got to get congress to approve it, but as you mentioned, infrastructure projects, the 3rs, roads, railways, and runways. let s take a look 59 at the numbers, the plan will call for rebuilding 150,000 miles of road, maintain 4000 miles of rails across the country and rehabilitate or reconstruct 150 miles of runway. i should mention this event