High-profile votes on the energy issue are likely to continue until the fall election, say lawmakers on both sides of the aisle.
With $345 billion in lost revenue, tolerance for off-shore avoidance fades.
Top US commander in Iraq said Thursday he is likely to recommend further drawdowns before leaving his post in the fall.
The president chastises Democrats for not addressing soaring gas and food prices and the housing crisis.
Some 10 countries are investigating suspects, including the US, which estimates that it loses up to $100 billion a year in unpaid taxes.
Bush's $46 billion request for Iraq and Afghanistan offers an opening, says the head of the Senate Armed Services committee.