CAPE GIRARDEAU, Missouri, June 29 -- The office of the U.S. Attorney for the Eastern District of Missouri issued the following news release: U.S. District Judge Stephen N. Limbaugh Jr. on Wednesday sentenced a man who committed arsons in the Mark Twain National Forest in Missouri and assaulted a U.S. Forest Service law enforcement officer to 12 and one-half years in prison. Judge Limbaugh also ordered Lucas G. Henson, 37, of Iron County, Missouri, to pay the U.S. Forest Service about $7,200 fo  more