Wall Street Journal – These days it’s easier than ever to pay for goods and services – without cash, card, pen or paper featuring anywhere near the transaction. Most financial obligations can even be met with just a few taps on a smartphone screen. But for American businesses, the old-fashioned paper check remains the preferred payment method, writes CFO Journal’s Vipal Monga, and that legacy comes at a cost. A survey last September by the Association for Financial Professionals found U.S businesses still pay half their bills by check. “In this day and age it doesn’t make sense,” says Mr....