WASHINGTON  Americans are in sticker-shock over grocery prices, while people in developing countries are rioting over food shortages. And across the heartland, American farmers are enjoying record incomes, but losing sleep over rising expenses and turbulence in the commodity futures markets.

Here on Capitol Hill, though, it is pretty much farm politics as usual.

As Congress works toward final passage of the farm bill, it is poised to continue most of the existing farmer subsidy programs, including about $5.2 billion a year in so-called “direct payments” that will be disbursed even as net farm income is projected to hit a historic high in 2008.

The farm bill, which comes along once every five years and will cost upward of $300 billion, in fact will do little to address many of the most pressing concerns. It will not change biofuel mandates that are directing more corn to ethanol and contributing to a global rise in food prices.

It will do little to ease worldwide food shortages. And at a time of high volatility in the futures markets, it will not require tougher regulation.