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.
CNN's Rene Marsh reviews safety regulations after several bus tragedies in the U.S. and abroad.
Brian Todd reports on what safety experts say about high-speed rail: how fast is too fast?
A heartbroken father and several friends talk about an American woman killed in a deadly train accident in Spain.
A member of the "Pink Panther" gang of jewel thieves has escaped from a prison in Switzerland. Matthew Chance reports.
CNN's Tom Foreman takes a closer look at human error and its possible role in several recent transportation accidents.
Edward Snowden's father steps up his fight to defend his son, who is still seeking a country that will grant him asylum.