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Good morning, Playbookers. I'm Kara Tabor. It's Tuesday.

Now that Labor Day is behind us, it's time. Welcome to the general election.

This is your Politico Playbook Daily Briefing.

Today marks nine weeks until Election Day.

The Senate is back in session and its primary day in Massachusetts.

Labor Day has long served as the unofficial kickoff of election season.

More voters start to pay attention.

Political TV ads become inescapable. Volunteers knock

on doors and pollsters adjust their samples from registered voters to likely voters. Here's

delay of the land, just nine short weeks away from Election Day, per Politico's just updated

forecast. The Senate is a toss-up, with a previous forecast-leaning Republican, and the House is likely

going to flip Republican, with a previous forecast of likely Republican.

So what's behind that change in Senate ratings?

Steve Shepard sees four key factors.

One, the political environment has improved for President Joe Biden and Democrats.

Two, the Supreme Court's decision to overturn Roe has energized supporters of abortion rights.

Three, GOP candidates have struggled in major swing states.

And four, Democrats have slightly expanded the map. But there's more on the GOP's

Senate was. This morning, Natalie Allison reports that Republicans' election cycle thought they had

finally achieved a breakthrough with suburban women after years of losing support. Now, as the

primary season has all but ended, the GOP is back where it

...