Backers of a proposed bill to protect teleworkers from onerous state tax rules hope this could be the year the legislation sticks. If passed, the Telecommuter Tax Fairness Act would prevent states from taxing income that nonresidents who telecommute to an in-state employer earn while working from home. The legislation is aimed in particular at New York, which is legendary for its stance on nonresident teleworkers. It requires those who sometimes work in the office of their New York employers to pay state taxes -- not only on the income they earn while physically in New York, but also on...