President Barack Obama pressed Palestinian President Mahmoud Abbas on Monday to help break the stalemate in U.S.-brokered peace talks with Israel, saying leaders on both sides must take political risks before an April deadline.
By Nidal al-Mughrabi, Susan Heavey, Steve Holland and Lesley Wroughton
By Aleksandar Vasovic and Adrian Croft -- Additional reporting by Mike Collett-White and Andrew Osborn in Simferopol; Ron Popeski, Richard Balmforth, and Natalia Zinets in Kiev; Lina Kushch in Donetsk; Roberta Rampton and Matt Spetalnick in Washington; Adria
