Let's see, you've tried Iraq, you've tried neo cons, you've tried Bush, you've tried Enron.
Now try reading:
http://www.smbiz.com/sbrl001.html#pis07
You might also want to know that US tax rates (both corporate and personal), while certainly not the highest in the world- are also far form the lowest- and fit well within the average for industralized nations.
http://en.wikipedia.org/wiki/Tax_rates_around_the_world#_note-5
You might also want to note that these rates are established by Congress- in laws and regulations agreed by both Democrats and Republicans- not "neo-cons" or "Bush" or "Enron" or "Ken Lay". Those words are used by the more intelligent on the left to stir up the blind and ignorant ditch diggers who think they're worth more than they are.