As TV images of the Boston Marathon bombings proliferate, it's important for parents to turn off the tube and, speaking calmly, share their own fears with their children, says a nationally recognized pediatrician.
Mystery man on roof: An image of the second explosion also captures a shadowy figure on a roof above the incident. Who is the mystery man on the roof? Consipiracy theorists want to know.
The London Marathon is set for April 21. Officials say the best way to show solidarity after the Boston Marathon attacks is to go forward.