If the methodology shows JFK as being substantially to the left of LBJ or FDR, it's pretty limited. Or, really, it works better for members of Congress than presidents -- as you can see with the JFK/LBJ comparison, getting more legislation passed makes you look...
presidential power
One commenter in the third party thread argues that people arguing against implausible heighten-the-contradictions arguments have their own, similar problem: the even-handed liberal in me must point out that the.
To briefly note some blogospheric discussion that happened while I was away, I essentially agree with Johnathan Bernstein about the power over domestic policy. In particular, people arguing that a.