"We therefore oppose any attempts to increase taxes, which would harm the recovery and reverse the trend to restoring control of the economy to individual Americans."
With the comma, you believe all tax increases would harm economic progress. Without it, you believe that only some tax increases would harm the economy.
Newt wanted the comma. Bob Dole did not.
Story here:
The Gingrich work product? Making certain that Ronald Reagan was not put on record leaving the door open for any more ill-fated tax increases. Dole was furious with the young Newt -- and, it might be noted, recently made a point of endorsing Mitt Romney. Hmmmmm.