There is .. one extremely simple measure of who is worse, summed up in the question that antiwar demonstrators asked LBJ back in the 1960s: How many kids did [he] kill [each day]?
Basically, it's a good search box that's "biased" towards a certain type of result, i.e. politics or movies or stocks, as determined by you in advance.
You can scroll right easily by holding down the SHIFT key and using your scroll wheel. (Firefox users trying this will end up jumping to old Web pages until a) Firefox releases a fix, b) they change their settings like so.)