The lowest gas prices in years are seen Wednesday on a fuel sign in Lawrence, Kan. A day later, OPEC decided to maintain current production levels, virtually ensuring continued low prices at the pump. Orlin Wagner/AP hide caption

itoggle caption Orlin Wagner/AP

Morgan Griffin, 20 (left), and his brother, Eric Crandell, 12, browse their mobile devices as they wait to board the Amtrak Pacific Surfliner train bound for Santa Barbara, Calif., at Union Station in Los Angeles on Wednesday. Snow and rain in the East snarled holiday travel, but by Thanksgiving Day, things looked to be improving. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

WikiLeaks founder Julian Assange attends an August news conference at the Ecuadorean Embassy in London. On Thursday, a Swedish appeals court upheld a 2010 detention order against Assange on accusations of sexual assault. John Stillwell/Xinhua/Landov hide caption

itoggle caption John Stillwell/Xinhua/Landov

A pro-Russian rebel fighter guards an area of the Malaysia Airlines Flight 17 crash site in the village of Hrabove, Donetsk region, eastern Ukraine, earlier this week. Investigators erect a "no trespassing" sign in the background. Mstyslav Chernov/AP hide caption

itoggle caption Mstyslav Chernov/AP