If These Are Your Best Arguments, You're In Trouble

Andrew Biggs, who was Deputy Commissioner of Social Security during part of the George W. Bush Administration, has written an article for the National Review giving reasons why the cap on wages covered by the F.I.C.A. tax that supports Social Security shouldn't be raised. Here are the arguments and my take on them:

There's always been a cap on wages covered by F.I.C.A. So what? Full