The shortage highlights four larger problems with the U.S. economy. Is my baby getting enough food? It is a typical fear among new parents — and an acute one now, because of a national shortage of baby formula. A potential bacteria outbreak led to the February shutdown of a Michigan factory that makes Similac formula, and the plant still has not reopened. Its closure has aggravated shortages created by broader pandemic supply-chain problems. Last week, stores stocked about 43 percent less baby formula than usual. “It gets really scary,” Carrie Fleming, who lives near Birmingham, Ala., told The Times. [ Read the rest…]