Not just because other factors such as breast-feeding confound it, but because research suggests it is not as significant a risk factor as breast density.

NPR: Online Calculator Estimates Breast Cancer Risk

And although it has convincingly shown itself able to confound the efforts of retailers to avoid easy and direct price comparisons, it has a harder time dealing with what their suppliers do.

ECONOMIST: Intelligent agents

Are you sure that it is a good idea to confound commercial banking, investment banking, insurance and stock brokerage?

ECONOMIST: Letters

It is strange it is more than strange, and will confound the historians of the future that Gen.

WSJ: Peggy Noonan: A 'Necessary' War?

According to Blum, the real problem is not in the Caymans but rather in places like the British Virgin Islands, where it's easy to set up "sham" trusts that can confound tax investigators.

FORBES: Outing Offshore Tax Dodgers

Only Thomas and Scalia dissented, demonstrating a pattern of deference to employment-discrimination laws by the Roberts majority that must confound critics who says this a court that does the bidding of the Chamber of Commerce whenever it can.

FORBES: 'Pro-Business' Supreme Court Defies Critics Again