U.S. Treasury notes and, bonds have a good track record as long-term investments.
As with any investment, however, individuals should learn about the pros and cons of government securities before adding them to their portfolios. Several websites offer good primers on government bonds. Here are a few:
Bankrate.com • Provides info about U.S. Treasury bills, TIPS and U.S. savings bonds, at http://bit.ly/gX7Iap.