Article Photos: For Obama, this time, it is 'grind it out' mode



President Barack Obama speaks at a campaign event at The Ohio State University Oval, Tuesday, Oct. 9, 2012, in Columbus, Ohio. (AP Photo/Carolyn Kaster)

President Barack Obama speaks at a campaign event at The Ohio State University Oval, Tuesday, Oct. 9, 2012, in Columbus, Ohio. (AP Photo/Carolyn Kaster)