Tamara Keith

This story is part of our occasional series Fiscal Cliff Notes.

If the Bush-era tax cuts are allowed to expire, the majority of Americans will see their taxes rise. Those who will see the largest increase are the wealthy.

Dr. Hamilton Lempert, an emergency room doctor in Cincinnati, works almost exclusively on overnight shifts.

An occasional series, Fiscal Cliff Notes breaks down the looming "fiscal cliff" of expiring tax cuts and deep automatic spending cuts set to hit around the first of year.

If you work, you've probably been getting this tax break: Since January 2011, the government has knocked 2 percentage points off the payroll tax.

For someone making $50,000 a year, the payroll tax holiday works out to about $20 a week.

"We definitely notice it," says Steve Warner of Winter Haven, Fla., while on vacation with his family recently in the nation's capital.

^{Note: We've asked NPR journalists to share their top five (or so) political Twitter accounts, and we're featuring the series on #FollowFriday. Here are recommendations from Tamara Keith (@tamarakeithNPR), an NPR congressional reporter.}

An occasional series, Fiscal Cliff Notes breaks down the looming "fiscal cliff" of expiring tax cuts and deep automatic spending cuts set to hit around the first of year.

About 80 percent of Americans would see their taxes go up if all the tax cuts signed into law by President George W. Bush were to expire as scheduled at the end of this year. And nearly 100 percent of the highest income earners would have to pay more — including both the Obamas and the Romneys.

The Boston Globe reported new details Friday about Mitt Romney's lingering ties to his private equity firm, Bain Capital, after he left Boston to run the Winter Olympics in Salt Lake City.

The Globe says Romney was "not merely an absentee owner" between 1999 and 2002, despite financial disclosure forms that say he "has not been involved in the operations" of Bain Capital "in any way," for more than a dozen years.

The first in an occasional series, Fiscal Cliff Notes, which breaks down the looming "fiscal cliff" of expiring tax cuts and deep automatic spending cuts set to hit around the first of year.

Much of the political focus when discussing the Bush-era tax cuts is on the wealthy, but they're not the only ones who would be affected if the tax cuts are allowed to expire at the end of this year.

The vast majority of American taxpayers would take a hit, including Randi Cartmill and Josh Walling, who live in Madison, Wis., with their three children.

The House Rules Committee takes up a bill Monday called the "Repeal of Obamacare Act." And just like it says, the bill would wipe away the president's Affordable Care Act. A vote of the full House is planned for Wednesday.

It's the first legislative response from House Republicans after the Supreme Court upheld the law. But it is far from the first time the GOP has voted for repeal.

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In Washington, House and Senate negotiators have reached a deal to fund highway and transportation projects for the next two years. This averts what could have been a dramatic shutdown after years of temporary extensions. The Senate could vote as soon as today, with the House likely to vote Friday.

NPR's Tamara Keith has details.

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The Senate has narrowly rejected an effort to scrap tough limits on mercury emitted from power plants. The Obama administration has trumpeted the rules affecting coal-burning power plants as an environmental triumph. But to industry groups, and many Republicans, these rules are the latest salvo in a war against coal. NPR's Tamara Keith reports.

When voters go to the polls in California's primary on Tuesday, instead of only being able to vote for candidates in their own party, they will be able to vote for anyone they please.

Tuesday will be the first statewide test of California's new open primary system, where the top two candidates move on to the general election, regardless of party. Backers hope this system will favor moderates.

In California, there aren't very many purple areas. The state has strongly Democratic regions and strongly Republican regions — and the Democrats dominate.