Why the numbers aren't adding up for the Republican tax bill

Win McNamee / Staff Members of the House Ways and Means Committee face arevenue hole of at least $74 billion after making a change to their tax plan. As they try to account for the discrepancy, they face challenges inthe budget, congressional votes, and fundamental political questions. Members of the House Ways and Means Committee were confronted with a gaping revenue hole of at least $74 billion Wednesday, after a change they made to their tax plan on Monday was found to wipe out most of the re...