> It was built when the top marginal tax rate in the United States was above 70 percent, a level which would make a lot of people go into fits of apoplectic ra

> It was built when the top marginal tax rate in the United States was above 70 percent, a level which would make a lot of people go into fits of apoplectic rage if you were to suggest it now. ...a rate which almost nobody actually paid, given the copious methods for reducing tax liability available at the time (most of which have since been eliminated).