Rep. Todd Tiahrt (R-KS), who is currently running for the Republican nomination in a contested 2010 U.S. Senate primary, has now endorsed Conservative Party candidate Doug Hoffman in the NY-23 special election -- the second sitting member of Congress to openly do so, after Rep. Michele Bachmann (R-MN). Tiahrt's press release blasts the moderate GOP nominee Dede Scozzafava, questions her party loyalty, and casts the race as a test for the soul of the GOP: