This New York Times article
is another article showing the problems of this ultralow interest rate environment which is "driving down the income of retirees and others who live off their savings." It also reviewed some other investments where savers are trying to get a decent return for their money such as blue-chip corporate bonds and high-yield junk bonds.
The article made the point that this ultralow interest rates environment isn't working to get companies to spend. Instead they're sitting on a record amount of cash.
This might be a good article to forward to your congressman (see blog post