In response , Ellison pledged that he would resign from Congress if he won the election .
Opposition also arose from Democrats concerned that Ellison , a sitting congressman , would not be able to devote himself to the position full - time .
In response , congressman pledged that Ellison would resign from Congress if Ellison won the election .
Opposition also arose from Democrats concerned that Ellison , a sitting congressman , would not be able to devote himself to the position full - time .