On the campaign trail, Super Tuesday was a romp for Joe Biden and Donald Trump — though both men stopped short of a clean sweep in their parties’ respective contests. Down the ticket, we now have a clear view of what the November general election will look like in some of the nation’s most pivotal House and Senate contests. And yet, for all of that, Tuesday’s most consequential news might be about someone who isn’t going to be on the ballot this fall: Sen. Kyrsten Sinema. The colorful Arizona independent announced that she will not seek reelection this year — a move with significant implications not just for November, but for the future of the Senate. Politico Deputy Managing Editor for Congress Elana Schor sits down with Playbook Deputy Editor Zack Stanton to discuss what it all means on the micro level — and the larger trend it hints at on a macro level.