Links between data centers have been infiltrated, Snowden files show

EXCLUSIVE | By tapping those links, the NSA has positioned itself to collect from among hundreds of millions of users, many of them Americans.

How the infiltration worked

GRAPHIC | A step-by-step look at how the NSA has penetrated the companies’ networks worldwide.

The 3 problems with HealthCare.gov

VIDEO | A walk-through of the main stumbling blocks facing users trying to sign up at the Affordable Care Act’s online marketplace.

Sebelius on health site: ‘You deserve better’

She acknowledges “frustrating” problems with the rollout and apologizes, while also attributing the glitches to contractors.

The president’s abandoned promise on health care

FACT CHECKER | One of Obama’s most famous pledges earns four Pinocchios.

How does an 80-ton dinosaur walk? (Hint: Not very fast, scientists find.)

How does an 80-ton dinosaur walk? (Hint: Not very fast, scientists find.) <br>

Using computer modeling, scientists re-create the lumbering gait of the largest-known dinosaur.

Conservative pundit Ann Coulter is back, with scalpel, to dissect her GOP

Conservative pundit Ann Coulter is back, with scalpel, to dissect her GOP

Reenergized by the shutdown and exemplifying the unhappiness of the party, she is going fratricidal. Again.

California driver got a ticket for wearing Google Glass behind wheel

California driver got a ticket for wearing Google Glass behind wheel

THE SWITCH | Is it illegal to drive using Google Glass? The answer might depend on the word “using.”

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Luxury

Audi isn’t just about efficiency. It’s about luxury, refinement and thoughtful design.

Editors’ Picks

WASHINGTON, DC - OCTOBER 29: Jeremy Rausch, of DC, is dressed as Georgette Washington. The 27th annual 17th Street High Heel Race was held in Washington, DC on Tueday October 29, 2013. (Photo by Sarah L. Voisin/The Washington Post)

Drag queens race for glory in D.C.

PHOTOS | This year’s 27th annual 17th Street High Heel Race was all sequins and sparkles.

Mr. CB, a dog wearing a costume, takes part in a Halloween parade in Kawasaki, south of Tokyo, October 27, 2013. About 110,000 spectators turned up to watch the parade made out of 3,000 people dressed up in costumes, according to the organiser.  REUTERS/Yuya Shino (JAPAN - Tags: ANIMALS SOCIETY)

Halloween goes to the dogs

PHOTOS | From turkeys to princesses, dog owners dress up their pooches for Halloween.

Featured Photo Galleries

Photos of the day

Giant mirrors illuminate a town, new face grown on a patient’s chest, a reactor to melt hydrogen’s atomic core and more.

Cuccinelli campaigns with Bobby Jindal

Louisiana governor joins the GOP candidate for Virginia governor for a rally in Prince William County.

Kennedy flame is back where it belongs

The eternal flame at the president’s grave site is restored after repair work at Arlington National Cemetery.

Drag queens race for glory

PHOTOS | The District’s annual 17th Street High Heel Race celebrates its 27th year near Dupont Circle.

Animal views

Fun and fascinating creatures around the world.

Singer Chris Brown charged with assault

Brown and his bodyguard were arrested and charged in the assault of a man outside the W Hotel in the District.

Halloween dogs

Owners dress up their pets for the holiday.

Bill Clinton joins Terry McAuliffe on campaign

The former president praises his friend and encourages Democrats to vote in the Virginia governor’s race.

Politics

The fate of ENDA is still uncertain in the Senate. Here’s why.

THE FIX | The bill to ban workplace discrimination based on sexual orientation or gender identity is still a few votes short.

More Opinions

Obama in a swirl of chaos

Obama in a swirl of chaos

COLUMN | Second-term presidents often face challenges; this one is engulfed by them.

Local

Three polls show McAuliffe between 4 and 12 points ahead of Cuccinelli in Va.

Three polls show McAuliffe between 4 and 12 points ahead of Cuccinelli in Va.<br>

Each has a different estimate of the partisan breakdown of voters.

Sports

2013 World Series: Michael Wacha will try to stop Red Sox in Game 6

2013 World Series: Michael Wacha will try to stop Red Sox in Game 6

EARLY LEAD | Just getting to Boston was a battle for the Cardinals on Tuesday.

Business

Is America a good investment?

Is America a good investment?

WONKBLOG | Here’s a taste of the epic throwdown discussing America’s economic future that Wonkblog hosted Monday night.

Technology

The lowdown on Google’s wild barge scheme

The lowdown on Google’s wild barge scheme

INNOVATIONS | Two mysterious structures have appeared on barges Google owns. Here’s what we know so far.

World

Trial of Bolotnaya 12 seen as sharp warning from Kremlin

Trial of Bolotnaya 12 seen as sharp warning from Kremlin

Arrested at a protest on the eve of Vladi­mir Putin’s 2012 inauguration, the group could face up to 13 years in prison.

Federal Government

In wake of shutdown, veterans’ committee leaders call for advance VA funding

In wake of shutdown, veterans’ committee leaders call for advance VA funding

FEDERAL EYE | A bipartisan group of lawmakers from Congress’s Veterans’ Affairs committees are pushing legislation to advance appropriations to all VA programs.

Lifestyle

Paula Wolfert, coping by cooking

Paula Wolfert, coping by cooking

A regular revisiting of her old recipes is how the cookbook author is moving forward with dementia.

Discussions

Ask Tom Sietsema

Ask Tom Sietsema

TRANSCRIPT | Is a Sazerac an obscure cocktail?

Diversions