World -

The Saudis want help in stopping the Iranian-backed Houthi rebels from advancing in Yemen
The U.S. accepted the offer to help drive ISIS out of the city but under one major condition
Saudi Arabia and its allies have dropped hundreds of bombs this week on Shiite rebels, but Jere Van Dyk wonders if they've bitten off more than they can chew
Former NTSB Chairman Mark Rosenker talks to Vladimir Duthiers and Gideon Yago about mental health screenings for pilots.
The crash of Germanwings Flight 9525 highlights concerns about how to ensure pilots are physically and mentally fit to fly
French police recover hundreds of pieces of Germanwings crash victims' remains from mountainside crash site
Suicide bomber detonates explosives-laden car at the gate of a hotel popular with government officials
Grand Ayatollah Ali al-Sistani's appeal comes after Iran-backed militias pull out of Tikrit in protest over U.S. airstrikes
German prosecutors say the Germanwings co-pilot who deliberately crashed an Airbus jet "hid his illness." As CBS News foreign correspondent Elizabeth Palmer reports for CBSN, investigators brought out boxes of evidence from Andreas Lubitz's home.
German authorities say Germanwings Flight 9525 co-pilot Andreas Lubitz hid the extent of his illnesses from the airline company. Investigators also found evidence that he was undergoing regular medical treatment. Allen Pizzey reports from Montabaur, Germany.