There is no proposal in Congress to take away your 401(k) savings account. In any case, the stock market has already done a pretty good job of wiping out several trillion dollars worth of 401(k) savings without any help from Congress. At that hearing, one of the witnesses, Teresa Ghilarducci, an economics professor at The New School for Social Research, made an interesting observation. By her calculations, the government spends as much as $80 billion a year in tax breaks to subsidize 401(k) savings plans. In her opinion, that money could be better spent offering a tax credit for a...