The concept of pets on planes has become a hot-button issue of late as emotional support animals have become more prominent than ever.
Credit:	Shelly Yang/Kasas City Star/Tribune News Service/Getty Images

The concept of pets on planes has become a hot-button issue of late as emotional support animals have become more prominent than ever.
Credit: Shelly Yang/Kasas City Star/Tribune News Service/Getty Images

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Rule cracking down on emotional support animals goes into effect

A new Department of Transportation regulation goes into effect Monday that says airlines aren't required to treat emotional support animals as service animals.