Former Maine Sen. Troy Jackson says it would be 'self-serving' if Graham Platner runs

Former Maine candidate for Governor Troy Jackson speaks during a May Day rally organized by local unions, on May 1 outside City Hall in Portland, Maine.

Former Maine state Sen. Troy Jackson has filed to replace Graham Platner on the U.S. Senate ballot in Maine after Platner's girlfriend accused him of sexual assault.

(Image credit: Graeme Sloan)