I have long believed that immigration is the key to our fiscal woes. The only way Americans will be able to afford and enjoy programs like Social Security and Medicare in the future (i.e., when the baby boom generation retires and there are relatively fewer workers to pay for social programs) is to allow would-be workers into the country so they can work (and stimulate demand) and pay taxes.
A post by the Center for Global Development’s Michael Clemens on the Guardian‘s Poverty Matters blog makes a broader point: