China insists on political solution to Iran nuclear issue -- foreign minister / Diplomatic opening on Iran nuclear issue / Israel still intends to attack Iran's nuclear sites / White House: 'Ultimate' US goal is to prevent Iran from getting nuclear weapon / Russia considers strikes on Iran's nuclear facilities unacceptable -- diplomat / US preparing to attack Iran's nuclear facilities in coming weeks -- Daily Mail / Threats to bomb Iranian nuclear sites unacceptable -- Russian Foreign Ministry / Waltz: All options 'on the table' to ensure Iran does not have a nuclear weapon / Iranian officials talk nuclear program with Chinese and Russian counterparts / Iran's leader rebuffs U.S. over starting nuclear program talks