The lights are out in New York tonight and into the Northeast, the Midwest and parts of Canada. Air conditioning is off, cell phones are out of service, there are no subways or traffic lights, and hospitals are running on emergency generators. Millions of people are are on hold in the summer heat.

Guests:

Ellis Henican, Newsday columnist

Ernest Moniz, professor of physics, MIT

Beatrice Politi, reporter, CBC News

Eric Klinenberg, assistant professor of sociology, New York University

Ellen Berman, president, Consumer Energy Council of America