President Barack Obama walks with White House Advance Associate Valerie Tyburski following an event at the TransCanada Stillwater Pipe Yard near Cushing, Okla., March 22, 2012. Walking behind the President are Trip Director Marvin Nicholson and Vic Erevia, Secret Service Special-Agent-in-Charge.

---

Size: 3000px × 2000px
Photo credit: © American Photo Archive / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: .., african, america, american, barack, bipartisan, black, cushing, democracy, democrat, democratic, elect, election, erevia, executive, gas, lead, leader, leadership, line, michele, michelle, minority, natural, obama, office, oil, oklahoma, oval, partisan, party, pipe, pipeline, politician, politics, potus, president, presidential, secret, service, states, stillwater, transcanada, united, vic