Opaque new tax is seen preventing offshore profit-shifting.

Opaque new tax is seen preventing offshore profit-shifting.

Corporate interest deductions, minimum foreign tax are among the question marks.

Corporate interest deductions, minimum foreign tax are among the question marks.

GOP plans provisions on tax havens described as inadequate.

Appalling idea would target profit-shifting to tax havens.

Appalling idea would target profit-shifting to tax havens.

Lobbying group for AT&T, Verizon prefers cut in corporate rate to full expensing of capital spending.