How airline passengers game emotional support animal system

This piece originally aired on May 14, 2015.

Some airline passengers take advantage of a law meant to protect the disabled, reports CBS News travel editor Peter Greenberg.

The Air Carrier Access Act states "no carrier can discriminate" against individuals demonstrating "a physical or mental impairment" to board with animals.

CBS News staffer Swainson Gill and his family pet dog, Pharaoh, were volunteers to demonstrate how easily pets can travel for free under those rules.

Pharaoh ported the required vest, but he is not an emotional support animal on official business.

"I have not met a flight attendant who has not had some experience with a pet in