John McCain has an old pen and uses it to argue he'll strike out earmarks. Ok.
Barack Obama injects some reality in the situation by stating that earmarks are only a fraction of the budget, and that McCain's tax cuts are far above that number.
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We're about 18 minutes in, and testy McCain begins to peek out. Obama is being relatively aggressive (compared to previous performances) and doesn't let McCain run with false numbers ("I don't know where he gets those figures")
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McCain tries to defend his tax cuts by claiming that Ireland business pay less taxes. He calls out Obama on his definition of "rich." But Obama explains that if you make less than $250,000, your taxes won't be raised by a dime.
Fabulous response to McCain's high business tax rate BS. Points out that the plethora of loopholes result in business paying some of the lowest tax rates.