Democrats propose to make it ever more slightly so. But restoring Clinton-era rates on the rich is not a utopian left-wing plan.Mankiw's argument serves the useful, if inadvertent, purpose of showing how it is that at least some legitimate economists support the GOP.?Republican economic policy is dominated by a debt-financed tax cuts, a policy that has no economic support. (To the extent that conservative economists can back up support for tax cutting, it is for tax cuts matched by spending cuts...