Mitt Romney’s White House bid comes down to business experience – i.e. he has it, the president doesn’t. To that end, the Romney campaign trotted out a roster of well-known business leaders Thursday who are backing the Republican presidential nominee. Supporters include Charles Schwab, Cisco Chief Executive John Chambers and Bernie Marcus, the co-founder of Home Depot. The newest name on the list belongs to Intel CEO Paul Otellini, a member of President Barack Obama’s Council on Jobs and Competitiveness. Mr. Otellini’s relationship with the president has been hot-and-cold since Mr. Obama took office. In 2010, he criticized the administration...