Millennial 'Mayor Pete' Buttigieg makes case for U.S. presidency

"It is time to walk away from the politics of the past and toward something totally different," he said at a launch event in South Bend.No potential contender in the burgeoning Democratic field has seen as rapid a rise in the early stages of the campaign as Buttigieg, who has gone from obscure Midwestern politician to top-tier contender in a matter of weeks.At 37, Buttigieg becomes the youngest entrant in a field that features 77-year-old U.S. Senator Bernie Sanders of Vermont and, likely soon,