Rubio says US open to talks on Middle East conflict, but Iran not serious

Rubio says US open to talks on Middle East conflict, but Iran not serious US State Secretary Marco Rubio said that Washington is willing to engage, negotiate and settle differences with Iran regarding the ongoing conflict in the region. "If they're serious, we're serious. If they're not, then we will do what's necessary to protect our interests, and also the interests of our allies," Rubio said during a visit to Manila, Philippines.