When John Warner, Elizabeth Taylor's sixth husband (or seventh, depending how you count), campaigned for the US Senate in 1978, the movie star played a new role: candidate wife.

The clash that led Wisconsin to limit the collective-bargaining rights of public-sector unions was fed by a mix of a tea-party-backed Republican resurgence, the fiscal crisis facing state governments, and the unions’ fight to preserve power. Here are seven questions the Wisconsin union protest raised about the role of unions in the US.

It's tough to take nuclear power plants out of the world's energy mix. The solution is to move ahead with newer, safer designs.

AP - French fighter jets struck an air base deep inside Libya and destroyed one of Moammar Gadhafi's planes Thursday, and NATO ships patrolled the coast to block the flow of arms and mercenaries. Other coalition bombers struck artillery, arms depots and parked helicopters.

AP - Turkey's state-run TV has quoted the foreign minister as saying Turkey's demands have been met and NATO will now take command of the Libya military operation.

AP - Nearly two weeks of rolling blackouts, distribution problems and contamination fears prompted by a leaking, tsunami-damaged nuclear plant have left shelves stripped bare of some basic necessities in stores across Tokyo. Some people are even turning to the city's ubiquitous vending machines to find increasingly scarce bottles of water.