ARAPAHOE HIGH GUNMAN HELD STRONG POLITICAL BELIEFS, CLASSMATES SAID  —  The teenage gunman who entered Arapahoe High School on Friday afternoon and shot two fellow students with a shotgun was outspoken about politics, was a gifted debater and might have been bullied for his beliefs, according to students who knew him.

Exclusive: Thousands of HealthCare.gov sign-ups didn't make it to insurers  —  Enrollment records for close to 15,000 HealthCare.gov shoppers were not initially transmitted to the insurance plans they selected, according to a preliminary federal estimate released Saturday.

Nelson Mandela memorial security scandal: ‘There were no checks’  —  BELTWAY CONFIDENTIAL WHITE HOUSE BARACK OBAMA NELSON MANDELA  —  It's becoming increasingly clear that when President Obama arrived at the Nelson Mandela memorial service in Johannesburg, South Africa Tuesday …

Officials Say U.S. May Never Know Extent of Snowden's Leaks  —  WASHINGTON — American intelligence and law enforcement investigators have concluded that they may never know the entirety of what the former National Security Agency contractor Edward J. Snowden extracted from classified government computers …

Cross-state presidential rivalries building for 2016  —  Several possible contenders for president could end up running against political allies from their own states.  Donations and bragging rights are at stake.  —  Wisconsin Gov. Scott Walker, left, and Rep. Paul Ryan appear together …

Christie Views Lane Closings on George Washington Bridge as Overblown  —  TRENTON — It began with a few orange traffic cones in September, when local access lanes to the George Washington Bridge abruptly closed for four days, gridlocking Fort Lee, N.J.  —  But after legislative hearings …

Federal Court Strikes Down Criminalization of Polygamy In Utah  —  It is with a great pleasure this evening to announce that decision of United States District Court judge Clarke Waddoups striking down key portions of the Utah polygamy law as unconstitutional.

Washington is Selfie City  —  As the world bid farewell to Nelson Mandela, the most revered figure of our time, Washington kept its focus on the things that really matter:  —  Why did President Obama shake hands with Raúl Castro at the memorial service?  What was up with the sign language interpreter at the memorial?

The site once vouched for its “lie of the year.”  —  PolitiFact.com, the Tampa Bay Times's “fact checking” operation, is out with its “Lie of the Year,” and it's a doozy of dishonesty: “If you like your health care plan, you can keep it.' ”  —  Just to show how fast the news can move …

Google Adds to Its Menagerie of Robots  —  SAN FRANCISCO — BigDog, Cheetah, WildCat and Atlas have joined Google's growing robot menagerie.  —  Google confirmed on Friday that it had completed the acquisition of Boston Dynamics, an engineering company that has designed mobile research robots for the Pentagon.

Backdating ObamaCare  —  A last-minute HHS rule orders insurers to pay for the law's blunders.  —  The White House says that ObamaCare is all fixed, but its conduct suggests otherwise.  As it has realized that the government-created chaos is exposing patients to nasty and even deadly surprises …