If House Republicans don’t come to their senses, they could shut down the government on March 4 when the stopgap measure that is now financing it runs out. If that does take place, it will at least be clear to voters that their essential government services were turned off in the service of two single-minded and destructive goals: giving the appearance of cutting a deficit that was deliberately inflated by years of tax cuts for the rich, and going after programs that the Republicans never liked in good times or bad.

Many of the Republican freshmen want to stick to the “Pledge to America” that they would cut $100 billion from the president’s 2011 budget, a nice round number apparently plucked from thin air. More experienced Republican leaders knew it would be impossible to cut that much in the remaining few months of the fiscal year and said they would trim the equivalent percentage. Harold Rogers, the Republican chairman of the House Appropriations Committee, warned that the full cut would require laying off F.B.I. agents and air traffic controllers.

If he was trying to make his $32 billion in cutbacks seem modest by comparison, he failed. The list would cut $2 billion from job training programs  precisely what is needed to help employ workers mismatched with the job market. It would cut $1.6 billion from the Environmental Protection Agency, which is struggling to keep up with the growth of greenhouse gases. There would be significant cuts to legal assistance for the poor and renewable energy programs and an end to all spending for AmeriCorps, public broadcasting and high-speed rail.

The battle over the rest of the 2011 budget is only a prelude, of course, to the bigger fight about to begin over the 2012 budget. President Obama is scheduled to unveil his budget on Monday, and already he seems willing to feed the bottomless Republican hunger for cuts rather than fight them. An ominous early sign is his proposal to cut the low-income heating assistance program nearly in half to $2.57 billion. Administration officials say that energy prices have fallen, but, as Democratic lawmakers from the frostbitten Northeast have pointed out to him, there are many more unemployed people now.

Some cuts will have to be made, but strategically it seems to make little sense to start giving away important ones before reaching the negotiating table. Republican lawmakers in the House have already made it clear that they are indifferent to the suffering and increased joblessness their cuts will cause. As the extreme reductions are heaped up in the next few days, Democrats in Congress and in the White House need to make a clear case to the public that quality of the nation’s civic life is at stake.