U.S. floats U.N. sanctions to press on South Sudan peace

The United States on Tuesday put pressure on political leaders in South Sudan by announcing it was consulting with other countries about imposing United Nations sanctions on anyone who undermined the peace process in the war-hit east African state. Susan Rice, President Barack Obama's national security adviser, said in a statement that Washington was proposing such sanctions "if an agreement is not signed by the government within 15 days and a cease-fire is not implemented promptly by all partie