DETROIT — U.S. Rep. Rashida Tlaib won the Democratic primary early Wednesday, essentially ensuring a third term in Congress in Michigan’s newly redrawn 12th District. Tlaib had 64.4% to Detroit City Clerk Janice Winfrey’s 20% with 35% of the votes counted. Lathrup Village Mayor Kelly Garrett trailed with 10% and former state Rep. Shanelle Jackson with 5%. She will face Republican Steven Elliott, who won a three-candidate primary in the 12th District, which is considered a Democratic stronghold. The 12th district includes Dearborn, Detroit’s west side, Garden City, Inkster, Livonia, Redford Cha…