A community development bank in Arkadelphia, Ark., that raised nearly $35 million could be a model for a growing number of similar banks scrounging for capital to meet the needs of consumers and small businesses in struggling neighborhoods. Central to the strategy of the $1.6 billion-asset Southern Bancorp is a heavy emphasis on returning capital to investors through regular dividends and a stock repurchase program. "There's patient capital, but patient shouldn't mean permanent," CEO Darrin Williams said in an interview after the bank recently published a paper about its successful capital raise late last year.