deadly storms this weekend brought down power lines and trees from ohio to north carolina. officials say at least 17 people were killed and more than 40 injured. meantime heat warnings in effect from mid-atlantic region where temperatures could once again get triple digits. >>> mexico appears to have a new president this morning. nbc's mark potter is in mexico city with more. good morning, mark. >> reporter: good morning to you, tamron. the results are not yet official but it appears enrique pena nieto will be president as more people, including women, see him as the rock star president. the new elected president of mexico, energy a pena nieto reaping rewards of a near perfect candidacy. he's married to a famous soap opera star. their fairy tale wedding two years ago was a national social event. her home videos became stylishly