Dan Rodricks: Why do the Orioles and Ravens need $1.2 billion in stadium improvements?

On the first day of October, Matt Williams, the co-founder and sales director of Mount Royal Soaps in Baltimore, asked me why the Ravens and Orioles needed $600 million each to improve the stadiums where the teams play. “What is wrong with how the stadiums are now?” Williams wondered in an email. “I go to games at both stadiums all year, and the experience is always amazing.”