Still question whether the IRS has been used to crack down on free speech rights of conservatives? From the Wall Street Journal:

Internal Revenue Service officials considered imposing a tax on large donations to many tax-exempt political organizations in 2011, recently released emails show, a move that could have disproportionately hurt conservative activists.

The discovery comes as part of Republican lawmakers’ broader investigation into the IRS’s treatment of conservative groups. It is further fueling GOP suspicions that some agency officials sought to suppress conservatives’ use of tax-exempt organizations for political speech.

The internal emails “demonstrate that the IRS sought to use the gift tax as one part of a larger effort to crack down on the political speech” of conservative tax-exempt groups, said Rep. Darrell Issa (R., Calif.), the chairman of the House Oversight and Government Reform Committee.

The entire story is worth your time.