Senate Republicans on Monday blocked President Barack Obama's "Buffett Rule" legislation, which would have put a 30-percent minimum tax on millionaires, in a debate that is likely to resonate through the November general election.
Democrats, as expected, failed to garner the 60 votes needed in the 100-member Senate to move to a full debate and vote on the bill aimed at getting more tax revenues out of the wealthy.
Obama and congressional Republicans are squaring off this week over the tax hikes for millionaires and a Republican plan to give new tax cuts for businesses.
"Tonight, Senate Republicans voted to block the Buffett Rule, choosing once again to protect tax breaks for the wealthiest few Americans at the expense of the middle class," Obama said in a statement.
Though scant changes to tax policy are expected ahead of the Nov. 6 election, the skirmishes are giving voters a preview of debates they will hear over the next seven months.
Obama and his fellow Democrats argue that raising taxes on the rich will help reduce deficits and bring more fairness to the tax code. Republicans are pushing a much different narrative of tax cuts - even if they add to deficits - as a way of creating jobs.
As Americans scurried to file tax returns by Tuesday, the Senate debated the Buffett Rule, which would require households earning more than $1 million to pay at least a 30-percent tax rate.
Central to Obama's "tax fairness" re-election campaign theme, the rule is named after billionaire Warren Buffett, who supports it and famously complains that he pays a lower effective tax rate than his secretary. Republicans argued that raising taxes would hurt the fragile economy.
Fifty-one senators voted for the bill, while 45 senators voted no, effectively killing it. Republican Senator Susan Collins voted for the tax hike, while Democratic Senator Mark Pryor voted against it.
A series of pivotal decisions on tax policy are looming at the year-end, when lower tax rates for all individuals - enacted under former President George W. Bush - are set to expire. These include estate, capital gains and dividend tax rates.
Economists worry that partisan wrangling after the presidential and congressional elections could stall action on those decisions and several other measures, hobbling the economic recovery.
"Politicians' time would be better spent working on an overhaul of the tax system that could actually pass rather than reforms that are likely to go nowhere," said Maya MacGuineas, president of the nonpartisan Committee for a Responsible Budget.
Republicans say the Buffett measure will do nothing to solve the larger problem of deficits and unemployment.
"We have a president that seems more interested in pitting people against each other than he is in doing anything," said Senate Republican Leader Mitch McConnell.
He was hitting on a Republican theme that raising taxes on the rich was tantamount to class warfare.
On Thursday Republicans - in firm control the House of Representatives - are expected to debate and likely approve a bill to give a one-year, 20-percent tax deduction on business income to owners of businesses with fewer than 500 employees.
Republicans are portraying that tax cut as one for "small businesses," a group they say the Buffett Rule will harm.
Democrats say the legislation will add to already huge budget deficits, since Republicans do not include any measures to offset the $46 billion revenue loss. And they cite studies showing that the tax cut will mainly go to those with incomes over $200,000 a year.
That measure is not likely to make it through the Senate.
For a Q&A on the Buffett Rule: see
The battle over taxes has been escalating for weeks with the White House speaking nearly daily about the Buffett Rule.
The Obama campaign played offense last week by releasing the president's tax returns several days before the deadline, to put pressure on Republican presidential candidate Mitt Romney.
Obama and his wife paid about 20.5 percent of their income in taxes in 2011, compared to an estimated 15.4 percent rate paid by the Romney's.
Romney, however, has asked for an extension to file his taxes.
A Gallup poll out on Monday said that Americans are split fairly evenly between those who say their federal tax bill is fair and those who say they pay too much.
But when asked specifically about how the wealthy are taxed, about 60 percent back some kind of Buffett Rule, Gallup's surveys have found.
"It is a robust finding across whichever polls that ask, you usually get 60 percent plus that say, 'yes, higher income are paying too little,'" Frank Newport, editor in chief of Gallup polling, said.
The polling, telephone interviews with about 1,000 adults, has a margin of error of 4 percentage points.
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