and st. louis police investigating a party. and washington state two people killed, two others hurt after a gunman opened fire into a music festival. i am kevin cork in washington, now back to the senate project. m bretore of: we'll transition to segment two, more of a back segment two, more of a back and forth conversation. we begin now remain seated with senators, this is a bbrought discussion on biggest national security issues. if you agree that biggestou threat o feel n national securiy front is china? do you feel that is the answer? >> i do. think it's l long-term think it's l long-term our biggest threat it is and economic. while i think that civilization -- well one ofan ol civild adages about foreign