Among Sen. Richard Shelby’s top career donors are employees, their family members and PACs of the following players in the nation’s financial meltdown: Citigroup (“written off and lost $53.6 billion through the credit crunch so far, which is more than any other bank or broker,”) JPMorgan Chase & Co. (which bought Bear Stearns) and First American Corp. (a subsidiary of which appraises home values).