GRANTS PASS (AP) -- A federal agency has suspended funding for the final year of a study out of Oregon State University that raised questions about whether logging is the best way to restore national forests burned by wildfires, further inflaming a debate over how to treat the millions of acres of national forest that burn each year.The U.S. Bureau of Land Management acknowledged Monday it asked OSU whether the three-year study led by graduate student Daniel Donato and published last month in the journal Science violated provisions of a $300,000 federal fire research grant. That grant prohibits using any …