By Chris Gallagher WASHINGTON (Reuters) -U.S. House Democrats on Tuesday unveiled a bill to provide $28 million in emergency funds to the Food and Drug Administration (FDA) to help it respond to a nationwide shortage of infant formula and strengthen supervision of the industry. The funds would provide the FDA with the resources to prevent fraudulent products from being placed on shelves, a House Appropriations Committee statement said. They would also be used to strengthen the FDA’s workforce focused on formula issues and increase inspection staff, it added. “We are making sure that a lack of …