According to a new Wall Street Journal / NBC News poll nearly two-thirds of Americans believe the economy is going to get worse, and people across the country are growing more pessimistic about the war in Afghanistan. With approval numbers for both parties approaching record lows, one political strategist says it's going to be the "Jet Blue election." We get an explanation from Peter Wallsten, national politics correspondent for The Wall Street Journal.

There have been several high profile drownings this summer: in Massachusetts, two sets of toddler twins drowned in backyard pools; in Louisiana, six teenagers drowned during a family outing; and in Idaho, four adults died this weekend during an outing on a boat. We speak about water safety with lifeguarding consultant Francesco Pia and with Elysa Gordon, a Connecticut woman who closed down her pool years ago.

Streaks of light and hundreds of meteors will be visible around the country tonight when the annual Perseid meteor shower lights up the sky. We talk to Sky and Telescope Magazine's Kelly Beatty about the show and what people can expect to see.

Amid reports that MIT students may have helped Army Spc. Bradley Manning leak thousands of pages of classified documents, we take a look at the complicated history between the university and the military. The Pentagon sends MIT upwards of $750 million a year for research and classified national security work, but MIT was also home to Daniel Ellsberg when he leaked the Pentagon Papers. We speak to Tracy Jan of The Boston Globe who recently wrote about the Pentagon-MIT connection.