i'm alina cho. happy memorial day. kiran and ali have the morning off. though it is a holiday, we do have a lot going on this morning. coming up, we're going to pay tribute to the americans who have served our country. we're going to take you live to arlington national cemetery where every president does, president obama will lay a wreath later this morning. our chris lawrence will join us live with that story. >> also ahead, helping our veterans find jobs. we'll hear from some former service members struggling to find work in this economy. a little help for them on this memorial day. >> but first, the race is on. the republican field of presidential hopefuls will begin to take shape, starting this week. hard to believe, on thursday, former massachusetts governor mitt romney is scheduled to officially declare his candidacy. no surprise there. next week former pennsylvania senator rick santorum enters the race we're promised an announcement from michelle bachmann will come some time in june in iowa. >> where she was born.