Primary season: progressive-establishment clashes and campaign finance battles

Abdul El-Sayed wins MI Senate primary despite $60M in opposition; AIPAC covert spending exposed. Upcoming WI/MN primaries feature tight races. Michigan GOP AG candidate faces late filing complaint; Iowa recount drama highlights dark money and Trump endorsement influence. Florida's closed primary system disenfranchises 4M NPA voters; Open Primaries lawsuits pending; FDP chair signals possible reform.