It is not very unreasonable that the rich should contribute to the public expense, not only in proportion to their revenue, but something more than in that proportion.
"Wealth of Nations," Book V, Chapter II, Part II, Article I, pg.911
Evidence of that lies in the fact that at this point in every presidency dating back to Truman every Democrat except for Obama has seen unemployment drop whereas every since Republican president had seen unemployment rise ...
* = Ford was in office 29 months
Nixon +2.6 +76% Eisenhower +1.3 +45% Bush +1.6 +38% Ford* +2.0 +36% GHW Bush +1.6 +30% Reagan +1.0 +13% Obama +0.8 +10% Kennedy -1.2 -14% Carter -1.6 -21% Clinton -1.7 -23% Johnson -2.0 -35%
Obama is the first Democrat president to have unemployment rise during his first 34 months (of course, that's directly related to Bush' Great Recession) and now, for the first time in their lives, Conservatives complain about unemployment at this point in a presidency.