A good one:
Liberals: Favor social freedoms, but not economic freedoms.
Conservatives: Favor economic freedoms, but not social freedoms.
Liberals: Believe in evolution, but not biology.
Conservatives: Believe in biology, but not evolution.
This is by Patri Friedman on Catallarchy (via Bryan Caplan in EconLog). It is perhaps not surprising that Patri is aware of the importance of biology, since he is the son of David Friedman and the grandson of Milton Friedman.