Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Like many things in life, it's going to get worse before it gets better.
That lardy layer of humid, sticky heat oozing over the Northeast and Midwest is getting hotter and spreading out Thursday. But cooling rain will wash it away in some places in the evening.
FULL STORYCNN's Emily Schmidt was given rare access to explosives classes offered by the TSA to train security officers.