Thomson Reuters Democrats embraced diversity Tuesday in a primary night of firsts, while Republicans in Minnesota picked a newcomer aligned with President Donald Trump. Democrats rallied a transgender nominee for governor, and a woman who would be the first Somali-American member of Congress while also backing a national party leader accused of domestic violence. In Minnesota, Republican County Commissioner Jeff Johnson defeated Pawlenty, who once called Trump "unhinged and unfit" and was hoping to regain his old post. The political battlefield for the midterms is getting set with Democrats working to topple Republican control of Congress and governors' offices across the nation. ST.