10.30.12 - 08:41 pm By Ray Gronberg gronberg@heraldsun.com; 919-419-6648 DURHAM – A new court filing purporting to be from Crystal Mangum says she can supply evidence in a Duke lacrosse lawsuit that she was paid, up front, to set up Duke University’s 2005-06 men’s lacrosse team. The filing surfaced on Tuesday, a day after federal court clerks in Greensboro received it from the U.S. Postal Service. It was styled as a motion by Mangum, acting as her own lawyer, asking that she be allowed to intervene in the civil-rights lawsuit that exonerated lacrosse players David Evans, Colin Finnerty and Reade...