might have happened in the two minutes between where the pilot requests an increase in altitude and a change in flight plan and this thing just falling off the radar. >> it is you have a full lot of speculation in there. you could have a catastrophic failure, pressurization failure. you could have a man-caused issue like a device. you could have a stall. trace: aerodynamic stall mention admin ago. trace: right. >> you could have the tubes telling the pilots and computers wrong information which could lead to inappropriate actions on part of the pilots. trace: john, great insight as always. thank you sir. >> thank you for having me. leah: how the president's executive action on immigration could be endangering one of california's biggest industries. we'll look at the possible repercussions. trace: why this surfer is lucky to be alive after a terrifying attack. >> as a surfer i'm a freak. i'm in their element if my card