Impeachment: American Crime Story,” the FX series premiering Tuesday, Ashford plays Paula Jones, the (brunette) Arkansas state employee who sued President Bill Clinton for alleged sexual harassment in 1994.It’s a tough role: Ashford’s Jones grapples with sexual trauma, emotional abuse from her husband and unrelenting ridicule from the press, who painted her as trailer trash and used her as a dimwitted pawn to try to bring down the president.And unlike Monica Lewinsky — portrayed in “Crime Story”