World Despite significant obstacles, Iran negotiations could see success

Two officials involved in the nuclear negotiations with Iran say the talks have a chance of succeeding by Tuesday, the target date for a preliminary agreement. Iran has indicated a greater willingness to accept constraints to its uranium enrichment program.

Iran may accept new constraints to its uranium enrichment program at nuclear talks but is pushing back on how long it must accept limits on technology it could use to make nuclear arms, Western officials told The Associated Press on Sunday.