Mallory McMorrow (D) ended her Michigan Senate campaign Sunday, creating a head-to-head race between progressive Abdul El-Sayed (D) and establishment-backed Rep. Haley Stevens (D-MI) in the primary, Detroit News reports.McMorrow had been consistently polling third in the Democratic primary.Detroit Free Press: “She said she had hoped that voters would support a candidate who combined El-Sayed’ progressivism and Steven’s policy background but that path has been largely closed off by considerable outside spending in the race.”