held later next week. the east coast is recovering today after a heat wave pushed temperatures toward triple digits for three straight days. on top of that, nearly 3 million people were left without power in my home in the mid-atlantic, after a series of powerful summer stores tore through the region. at least 15 people were killed. nbc news white house correspondent kristen welker put on her weather hat and reports. frustrated, frustrated, highly frustrated. reporter: david retland is still living without power in his washington, d.c., home after a powerful storm hit the mid-atlantic and midwest regions on friday, knocking down power lines and trees and wreaking havoc just days before the fourth of july holiday. most of the stuff will probably be discarded. most of my neighbors have packed up and left somewhere. reporter: rutland one of the millions still without power, a big cleanup job from ohio to new jersey and hard-hit maryland. this storm had all of the