One of the victorious Republicans featured in Sarah Palin's post midterm-elections 'renegades going rogue' political video, South Carolina Gov.-elect Nikki Haley speaks to the media as she visits a barbecue restaurant to thank supporters on Nov. 3, the day after becoming the first woman elected to the office in the state and the second Indian-American governor in the country, in Lexington, S.C. David Goldman/AP
New Hampshire Republican Kelly Ayotte celebrates winning the U.S. Senate race in Concord, N.H., on Nov. 2. Ms. Ayotte appears in Sarah Palin's post midterm-elections 'renegades going rogue' political video. Cheryl Senter/AP
Florida Republican congressional candidate Allen West smiles during a debate at Lynn University in Boca Raton, Fla., on Oct. 12. Mr. West won the election and is included in Sarah Palin's 'renegades going rogue' political video. Alan Diaz/AP
Florida Sen.-elect Republican Marco Rubio holds a press conference at the Biltmore Hotel in Coral Gables, Fla. on Nov. 3. Mr. Rubio defeated Charlie Crist and Kendrick Meek to retain the seat for the GOP and makes an appearance in Sarah Palin's 'renegades going rogue' political video. Jeffrey M. Boan/AP
Gov.-elect Susana Martinez answers questions during at a news conference at campaign headquarters in Albuquerque, N.M., on Nov. 4; she is one of the 'renegades' celebrated in Sarah Palin's post midterm-elections video heralding Republican victories. Susan Montoya Bryan/AP
Oklahoma Governor-Elect Mary Fallin answers a question during a news conference in Oklahoma City on Nov. 3. Fallin defeated Democratic Lt. Gov. Jari Askins, enabling Republicans to control – for the first time in state history – both the governor's office and Legislature at the same time. Ms. Fallin is featured in Sarah Palin's 'renegades going rogue' political video. Sue Ogrocki/AP
The global economy is entering phase of heightened vulnerability to digital disruption – a threat likened to the US mortgage crisis, which was largely hidden until its dramatic collapse in 2008, a new report warns.