In 1973, a California State University geography professor suggested that the US redraw its state boundaries and reduce the number of states to 38.  State lines were to be drawn in less populated areas, isolating large cities and reducing their number within each state.  Thus with fewer cities vying for state tax dollars, more money would be available for projects that would benefit all citizens.  Alas, the idea died in Washington.  Click below to read more about it.

More info here.  And here.