The president also tells Florida shooting survivors he supports calls for improved background checks.
Andrew Pollack - whose daughter Meadow died in Parkland - vented his anger to the president.
The UN Secretary General is calling for an end to the fighting so aid can enter the rebel-held area.
Nicolás Maduro calls for more elections to be added to April's vote amid an opposition boycott.
Britain's Stone Age population was almost completely replaced some 4,500 years ago, a study shows.
The timepiece's hand will move once a century with a cuckoo emerging once every millennium.
Some of the 100 girls thought to have been abducted in Nigeria have been found, officials say.
The car giant says US chief Raj Nair's actions were "inconsistent with the company's code of conduct".
Cassiday Proctor, a morning radio presenter, gave birth by Caesarean section live on air.
During a 60-year career, Graham became one of the best-known preachers of the 20th Century.
Scientists hail "good news for patients" as analysis finds 21 drugs reduce symptoms of depression.
Jennifer Lawrence says the criticism is a "distraction" from real issues women face.
Ministers reject claims its proposals mean the "status quo" transition phase could be "indefinite".
He was guarding a bank in Asyut, Egypt, when he spotted the boy three floors above.
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