John McCain and Barack Obama are spending a lot of time promoting their own tax proposals and slamming each other’s at the same time. So what is reality? Will Obama be able to make good on his promise that no one making less than $250,000 will see higher tax rates? What about higher capital gains and dividend rates? What would be the impact of McCain’s call to cut corporate tax rates and make the Bush tax cuts permanent? We ask Pete Sepp, Vice President for Communications at the National Taxpayers Union.