Melissa Shriver

QUINCY — Melissa Shriver, former morning show anchor, is returning as a temporary anchor on weekday mornings on “KHQA This Morning” on KHQA Channel 7.  Shriver is filling in for Paula McKenna, who has temporarily moved to anchoring the evening newscast. Shriver previously was the co-host of “KHQA This Morning” with Tegan Orpet in Quincy.…