TODAY | May 22, 2013
>>> former congressman anthony weiner is back in the headlines this morning. after months of speculation, overnight, he announced that he is running for mayor of new york city . nbc's mara schiavocampo is here with details on that. mara , good morning to you.
>> good morning, savannah. weiner broke the news of his candidacy in that two-minute campaign video posted on youtube. it's been almost two years since he resigned after a sexting scandal, but now he says he's ready to put the controversy behind him and get back into politics.
>> look, i made some big mistakes and i know i let a lot of people down. but i've also learned some tough lessons.
>> reporter: a second chance. that's what anthony weiner is asking for in a new youtube video released overnight, announcing his candidacy for mayor of new york city .
>> i'm running for mayor because i've been fighting for the middle class and those struggling to make it my entire life. and i hope i get a second chance to work for you.
>> reporter: the video also features his wife, longtime hillary clinton aide, huma abedin , along with the couple's young son.
>> we love this city and no one will work harder to make it better than anthony.
>> reporter: it's the latest stop on weiner 's comeback tour, one that began in early april with an in-depth magazine interview.
>> today i'm announcing my resignation from congress.
>> reporter: weiner cease secret life was unearthed in may 2011 , when a lewd photo of the congressman appeared on his twitter feed. after initially claiming his account was hacked, weiner admitted to a string of racy online messages with women he had never met.
>> i have engaged in several inappropriate discussions conducted over twitter, e-mail, facebook, and occasionally on the phone.
>> we can make a difference, if we're willing to fight for it.
>> reporter: now, two years later, weiner hopes an internet video will give him a fighting chance at a return to the political arena. weiner has more than $4 million in an old mayoral campaign account that he can use in this race. he also recently rejoined twitter. his first message back, a link to a policy paper. savannah?
>> all right. mara , thank you