Three years into the war, tens of thousands of American troops remain targets of a growing Iraqi insurgency.

From its onset, the labor movement has been at the forefront of the fight to improve working conditions and workplace safety. At the local level, knowing their union has their back gives workers the confidence and support they need to stand up and report harassment, poor working conditions, or workplace safety violations.

Workers should not be prevented from bargaining with the companies that help set their wages, benefits, schedules, and workplace conditions.

Instituting equal pay is especially important because families in our country increasingly rely on women's wages to make ends meet. When women bring home less money each day, it means they have less for the everyday needs of their families - groceries, rent, child care, and doctors' visits.

Nothing lifts me out of a bad mood better than a hard workout on my treadmill. It never fails. Exercise is nothing short of a miracle.

No government is here forever. And there are other forces - the most potent force in our society, in fact, big business - doing good for the environment.

If all goes well, the Iraqis are going to have a country that's going to have a representative government and will be at peace with its neighbors and in the region.

Cancer cells come pre-programmed to execute a well-defined cascade of changes, seemingly designed to facilitate both their enhanced survival and their dissemination through the bloodstream. There is even an air of conspiracy in the way that tumours use chemical signals to create cancer-friendly niches in remote organs.