carolina to iowa. we want to start with you in lawrence, massachusetts, where we have cnn national political correspondent m.j. lee. m.j., good to see you. what's happening there? >> reporter: well, kristi, we have elizabeth warren stunk already. but today is the day she makes it official with her presidential campaign launch rally here in lawrence, massachusetts. but let me give you a sense of where we are right now. we are outside of an old textile mill. and the reason that elizabeth warren chose this site as the official launch of her campaign are very symbolic. she is choosing this spot because this is the site of a historic 1912 labor strike where workers walked out to protest wage cuts and this was a labor strike that was largely led by women and immigrants. now, what we are told is that she will use this backdrop this mill as the backdrop to hit on some of the themes that will going to define her campaign