Rep. Colleen Hanabusa (D-Hawaii) wished her former colleague Dan Inouye a fond "aloha" on Monday, responding to news of his death.

My thoughts are with Irene, Kenny, and Sen. Inouye’s staff. Hawaii and our nation have lost a hero, a champion, and a great man. Aloha Dan.

— Colleen Hanabusa (@RepHanabusa) December 18, 2012

The White House is officially 'pinning' on Pinterest as of Monday, the launch day chosen to coordinate with an offline Pinterest-themed event.

The National Rifle Association has gone silent on its social media accounts in the wake of the tragic mass shooting at an elementary school in Newtown, Conn., on Friday.

The gun-rights advocacy group appears to have removed its official Facebook page from the social networking website. Attempts to access the NRA's Facebook page were directed to a Wikipedia entry about the lobbying organization. Comments or Web links shared by Facebook friends about the organization are still visible below the lobbying group's Wikipedia entry. 

The families of the victims of last week’s school shooting shared photos of President Obama’s visit over the weekend.

South Carolina Gov. Nikki Haley (R) hadn't officially named her choice to fill outgoing Sen. Jim DeMint's (R-S.C.) seat on Monday before Republicans began tweeting their acclaim.

Republican Rep. Ken Marchant (Texas) was quickest to congratulate Haley's choice, with a tweet to Rep. Tim Scott (R-S.C.) on the new job after a report by the New York Times that named him as Haley's choice.

President Obama and members of Congress marked Monday as the anniversary of the Wright Brothers' first successful flight.

The flags flying above the White House and the Capitol on Friday are at half-staff out of respect for the victims of the shooting at an elementary school in Newtown, Conn.

Former Rep. Gabrielle Giffords “sends her prayers” to the victims of the shooting in Newtown, Conn., on Friday, according to a post on her husband’s Facebook page.

Multiple House Democrats are pushing for renewed debate on gun policy in the wake of Friday’s shooting at an elementary school in Connecticut.