Reagan's son: Gay marriage is a slippery slope to legalization of murder

[True Federalist (진정한 연방 주의자)]

And the healthcare law sets up death panels. And the President is a Muslim socialist. The Republican relationship with reality is so tenuous it ought to be in the DSM-V.

I think that is covered by the code F24.  (I'm assuming DSM-5 will build on the ICD-10 codes, just as DSM-IV built on the ICD-9 codes.)  Of course F24 is a fairly broad diagnosis so perhaps DSM-5 will give a Republican specific code, in which case I suggest F24.47