Here are the Obama and McCain income tax policy proposals side by side, according to the Tax Policy Center, a joint project of the Urban Institute and the Brookings Institution, as published in the Washington Post. Check out the striking differences between the two proposals!
Notice that the bottom 3 tax classifications represent 60% of all taxpayers. While the top 2 classifications represent 1.1% of all taxpayers. Under John McCain's tax plan, the citizens who are in dire need of income tax breaks and would benefit the most from them, would not receive significant income tax reductions.