AMARILLO (AP) - An Amarillo woman who mailed 78 pounds of marijuana to herself was sentenced to 21/2 years in federal prison Monday. Tiffany Joy Kelly, 28, pleaded guilty in October to one count of illegal use of a communication facility, the U.S. Attorney's Office in Dallas said in a news release. She has been in custody since her arrest in July, after a postal inspector in El Paso became suspicious of two Express Mail parcels. A search warrant allowed officials to open the packages, which were then resealed and sent to Kelly at a motel in Amarillo. Kelly was...