Italy's former Prime Minister Silvio Berlusconi gestures as he appears as a guest on the RAI television show Porta a Porta (Door to Door) in Rome Jan 9, 2013. Berlusconi has little chance of destabilising a centre-left government after Italy's February election and outgoing premier Mario Monti is the most likely to become kingmaker, one of Italy's top experts on voting trends said on Wednesday.[Photo/Agencies]

Claire Hobean, operations manager for Re-Time, models the Re-Timer during the Consumer Electronics Show (CES) in Las Vegas Jan 9, 2013. The product helps reset your body clock by shining a green 500 nanometer light over your eyes. The product is beneficial for frequent fliers and shift workers, she said. The Australian company just released the Re-Timer in Australia for $282.67 (AUD$273.90) and will launch in the US this week.[Photo/Agencies]