Video: Trailer for 'Transformers: Revenge of the Fallen'
Here's your state's favorite food and physical activity
How growing up poor affects the brain
What do mass shootings and police killings have in common? America's sick gun culture.
The astonishing weakness of Hillary Clinton
What is America's problem with pregnant women drinking?
Rick Perry: The real deal?
Trans-Pacific Partnership negotiations stall
Hundreds flee California wildfires
New Taliban leader calls for unity among insurgents
Smoking: Obama's stubborn habit