TACOMA - A key participant in the 2001 arson that destroyed the University of Washington's Center for Urban Horticulture was sentenced Friday to five years in federal prison. Jennifer L. Kolar, 33, of Seattle also was ordered to pay more than $7.1 million in restitution in connection with the fire, which also destroyed priceless research projects and endangered plants. The sentencing, by U.S. District Judge Franklin D. Burgess, came after Kolar pleaded guilty to conspiracy to commit arson, two counts of arson, one count of attempted arson and using a destructive device during a crime of violence. Kolar was part...