<p>Ben Emons, author of <a class="link" rel="nofollow" target="_blank" href="http://www.amazon.com/The-End-Risk-Free-Rate-Structural/dp/0071819525" target="_blank">"The End of the Risk-Free Rate,"</a> discusses his book and explains why government debt is no longer "risk free" due to structural forces and how investors can seek alternatives.</p>