Mr Obama, of course, had called for such an overarching plan, in the form of a cap-and-trade scheme for all big sources of emissions, only to be rebuffed by the Senate, thanks not just to Republicans but to a number of conservative Democrats too.
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For example, part of the plan should be to cap or eliminate the tax exclusion for employer-sponsored health insurance.
So in the Clean Air Act of 1990, he proposed a plan that would cap sulfur-dioxide emissions but let the market decide how to allocate the permits.
And he reprised a plan from his past budgets to cap the value of itemized deductions at 28 percent.
But Arizona Republican John McCain, himself a top presidential contender who supports President Bush's Iraq plan, dismissed both the resolution and the proposals to cap the number of troops.
The president's plan would cap payments on federal loans at 10% of a borrower's income above a set minimum, defined as 150% of the poverty level for the borrower's family, and allow loans to be forgiven after 20 years instead of 25.
For example, with a fee of 1.16%, the MFS Large Cap Growth Fund offered in the plan is no bargain.
The plan is often described as a cap on itemized deductions but in fact aims at a number of other politically popular tax breaks as well, including several exclusions that reduce the amount of income subject to tax.
And in many of these nations, any data plan (not to mention one with a large data cap) is prohibitively expensive for much of the population.
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And the way it covers all of those who wish to participate in the congressional plan is that it will provide subsidies, and it will also cap premiums, something that is really important, because we want to make sure that it is affordable for all.
CNN: Transcript of Thursday's Democratic presidential debate
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