. . . . "NEW YORK (AP) ??? Live commercial theater from Broadway to Los Angeles would get a huge financial boost under a change in the federal tax code he is being championed by such actors as Neil Patrick Harris, Bryan Cranston and Tyne Daly.U.S. Sen. Charles Schumer's proposal would allow 100 percent of any live theater investment to be deducted up to $15 million per production, whether the eventual sho" .