Tyler mathisen is off tonight. The major indexes climbed further into record territory. The dow closing in on 25,000. The optimism sums ahead of a vote on the tax bill that would be an historic overhaul of the u. S. Tax system. It would cut the corporate rate and result in likely increases in profits. A number of corporate deals also helped lift sentiment. Well have more on that later. But first a look at the closing number. 24,792 for the dow, its 70th record close. The highest number in a calendar year ever. The nasdaq was up 58. The s p 500 added 14. With the steady climb in stocks all year and the tax bill vote near, what will drive the next leg of growth . Mike santoli took a look for answers. Every bull market needs a good story line. The one that started nearly nine years ago has followed several along the way. You have the depths of the bear market in early 2009. The bullish story was stocks were simply too depressed. As the years went on, the narrative shifted to Central Banks