If you look at the impact of the tax and transfer system over the last few decades, you find that it has been reducing inequality. It has been less effective since the early-1990s. These data have been borne out by our studies and by major studies around the world. You're right that certain programs have been put in place, and they're good programs. But the government has also cut some programs, and that has had a negative impact on income inequality.
On April 25th, 2013. See this statement in context.