Jeb Bush on Monday returned to the Florida capital to deliver a speech slamming lobbyists as a corrosive influence on public policy, and railing on the practice of public officials becoming professional influence peddlers. The jeremiad may have come as a shock to Tallahassee's government officials-turned-lobbyists whom Bush enlisted to help him sculpt his gubernatorial agenda, and who are now helping bankroll his Republican presidential campaign. In his speech, the former Florida governor said that as president he will push to ban lawmakers from becoming lobbyists for six years after they leave government. He decried the fact that before he...