FCC wants to know if Verizon is warehousing spectrum

By Kevin Fitchard – The U.S. Federal Communications Commission is curious why Verizon Wireless bought a bunch of 4G spectrum back in 2008 but now plans to sell it.

Carriers like T-Mobile and Sprint, along with a slew of consumer advocacy and telecom industry groups, have criticized the deal, claiming Verizon is merely trying to lock up the most valuable 4G airwaves.

Verizon...