By helping Democrats pass a landmark $750 billion climate, tax and health care bill, Sens. Joe Manchin of West Virginia and Kyrsten Sinema of Arizona have complicated their own re-election fortunes for 2024.
Why it matters: While Democrats have a credible chance to hold onto a narrow Senate majority this year, they're staring at a rough political map in two years, when both of those seats are up — and when the party will also be forced to defend seats in red states like Montana and Ohio.
