A (relatively) short article on fixing tax loop holes for the rich by Republican (!) investigative journalist David Cay Johnston, author of Perfectly Legal and Free Lunch:

Quit Cooking the Books
Make the Superrich Pay Their Share
End Legal Tax Cheating
Invade the Caymans
Wean Wal-Mart (and the Yankees)
Cut Off the Utility Scam
Ground the Private Jet Exemption
Demolish the Mansion Deduction
Defang the Loan Sharks
Save Our Savings
Protect Pensions
End the Burglar-Alarm Subsidy
Stop Indenturing Students
Drag the irs Into the 21st Century

Mother Jones: Fiscal Therapy