 The sweltering heat hasn't let up for most of the country as nearly 120 million Americans remain under heat alerts. It feels like temperatures in multiple cities in the northeast region of the country topped 100 degrees on Tuesday. CBS's Tom Hanson has more on the heat from New York City. This heat advisory is not just happening in New York City. It's happening in Baltimore, in D.C., all up and down the northeast corridor, impacting roughly 120 million Americans at the moment right now.