….for political dirty tricks.  

Richard Nixon ordered the IRS to conduct tax audits of those on his
infamous “Enemies List.” Now, a spate of investigations and leaks coming
out of President Obama’s IRS raises concerns that this administration
may also be using the power of the nation’s most feared agency to
silence its political opponents. 

Today, more than six dozen grassroots citizens groups seeking to gain
501(c)(4)—and in some cases 501(c)(3)–tax status today find themselves
facing unexpectedly invasive investigations and onerous procedural
hurdles. All these groups have received non-profit recognition at the
state level. Yet their requests for IRS recognition have been left in
bureaucratic limbo for months—in some cases, for more than two years.

full story at Foxnews.com.