In an op-ed published March 4 in The Baltimore Sun, Political Science Professor Thomas Schaller comments on public attitudes of gay rights and efforts to allow discrimination against gays being struck down in recent years. “Public attitudes about gay rights have changed dramatically in recent decades. Solid majorities, especially among younger Americans, now support marriage equality and other standards of equal treatment,” he writes. In his column, Schaller cites the recent news of a bill passed by the Arizona legislature and later vetoed that would have permitted those with religious objections to deny services to gay customers: “Consider the fact that …