Would President Romney get rid of the bottom performing 10% of voters every year like he did in his company?

That is just one of the things forced by grossly overpopulating cultures undercutting wages with their hordes of excess labor. My Irish relatives, helped later by other European ethnicities, created awful depressions in North America that way throughout the 19th century and into the 20th. Latino and Asian hordes of excess labor are doing it today.