The U.S. Senate is debating the so-called Marketplace Fairness Act. It’s a bill that would result in the taxation of Internet sales, driving up costs for consumers. The legislation cleared a procedural hurdle Monday and could have a floor vote by Thursday. This is a classic case of where the interests of big business and big government intersect. But not all businesses are signing on to this new scheme. Etsy, an e-commerce hub where individuals can sell handmade items such as arts and crafts, warned yesterday that the legislation would “unnecessarily burden small businesses. Most Etsy sellers work from home...