"FILE - In this Dec. 18, 2019, file photo passengers find their rides at the Ride Share point as they exit Phoenix Sky Harbor International Airport in Phoenix. A new $4 fee on Uber and Lyft rides to and from the Phoenix airport is ""very likely"" unconstitutional, the state attorney general said Thursday, Jan. 16, 2020, upping the ante in the showdown that has led the ride-hailing giants to threaten to abandon the airport service. (AP Photo/Ross D. Franklin, File)"
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