If you're planning a garage sale or organizing a church bazaar, you'd best beware: You could be breaking a new federal law. As part of a campaign called Resale Roundup, the federal government is cracking down on the secondhand sales of dangerous and defective products. The initiative, which targets toys and other products for children, enforces a new provision that makes it a crime to resell anything that's been recalled by its manufacturer. "Those who resell recalled children's products are not only breaking the law, they are putting children's lives at risk," said Inez Tenenbaum, the recently confirmed chairwoman of...