Congressman Keith Ellison will not seek reelection to Congress in 2018, instead he will run for Minnesota Attorney General.
Ellison was the first muslim to be elected to the U.S. Congress.
According to ballotpedia.org:
Keith Maurice Ellison (b. August 4, 1963, in Detroit, MI) is a Democraticmember of the U.S. House of Representatives representing Minnesota’s 5th Congressional District. Ellison was first elected to the House in 2006. He won re-election in 2012.
Ellison won re-election in 2016.
On June 5, 2018, Ellison announced that he would not seek re-election in 2018, instead running for the state attorney general seat vacated by Lori Swanson (D), who had announced that she would run for governor the previous day.
Based on analysis of multiple outside rankings, Ellison is one of the most reliable Democratic votes, meaning he can be considered a safe vote for the Democratic Party in Congress.
Ellison also serves as deputy chairman of the Democratic National Committee(DNC). He campaigned for the DNC chairmanship in 2017, but lost on the second round of voting to former U.S. Secretary of Labor Tom Perez. Following the election, Perez named Ellison as his deputy chairman on February 25, 2017
The primary election takes place on August 14, 2018.