Congressional negotiators who are working on the biggest tax deal in more than a decade are saying that the prospects are getting better for an agreement that could cut $800 billion in taxes over the next few years. But the White House is balking over popular measures like repealing Obamacare's medical device tax and its so-called "Cadillac tax" on expensive health insurance plans.  They also want money for the "risk corridor" slush fund that pays out cash to insurance companies that lose money on the Obamacare exchanges. The Hill: The core of a bigger deal would indefinitely extend the research and development tax credit and the Section 179 deduction for small-business expensing, two Republican priorities that have support from pro-business Democrats. It would also make open-ended expansions of the child tax credit, the earned income tax credit and the American opportunity tax credit, central pieces of President Obama’s 2009...(Read Full Post)