As Minnesota and the nation mourns the loss of Senator Paul Wellstone an army of investigators and law enforcement officials continue to comb the scene where the plane crashed yesterday morning. Wellstone, members of his family,, and staff, died yesterday morning when the small plane they were traveling in crashed on approach to the Eveleth-Virginia Municipal Airport. Wellstone was heading to a funeral for the father of an Iron Range lawmaker. Local and state officials say they have no idea what caused the crash. Minnesota Publiic Radio's Mark Zdechlik has a report from Eveleth. { St. Louis County Sheriff Rick Wahlberg says the twin engine plane carrying Paul and Sheila Wellstone, their daughter Marsha, Minnesota DFL official Mary (Mac-ah-VOY), Wellstone staffers Tom Lapik and Will McLaughlin and two pilots apparently ran into trouble just before 11 Friday morning.