As we head into next weekends G-20 meeting, the swords of reprisal are being sharpened by the wagging tongues of political expediency. Sander Levin, chairman of the House Ways and Means Committee, is threatening that Congress will move to punish the Chinese for their recalcitrant behavior toward the rebalancing of the global financial and economic system if the Obama administration fails to get China to revalue the YUAN.