Coroner: Cause of bobsledder Steven Holcomb's death unclear
FILE - In this Jan. 9, 2016, file photo, driver Steven Holcomb with Frank Delduca, Carlo Valdes and brakeman Samuel McGuffie, compete in the four-man bobsled World Cup race in Lake Placid, N.Y. Holcomb, the longtime U.S. bobsledding star who…