these are steps we can take that make these policies happen. >> josh leves all in how our work family culture china is flexing its muscles in the south china sea. might makes right. how is the mighty u.s. prepared to do this? i'm back in two minutes. available for your apple and android mobile device. download it now >> the united states is called on china to stop its provocative actions in the south china sea. but china has essentially told the u.s. to butt out. its primary shipping lanes may be home for billions of barrels of oil. on sunday a chinese admiral defended the country's construction of artificial islands in the region and just last month china warned a military aircraft to leave a military zone, quote after it argued over reefs. marga ortigues reports. >> china has built at least seven man made islands. over 800 hectares, where there was only once rocky outcrop. the u.s. calls the activity unprecedented. ashton carter criticized china's aggressiveness. >> china is out of step with both the international rules and norms that underscore the asia pacific security architectur