A survey of small business owners found almost half believe a second term for President Joe Biden would be the iceberg that would send their enterprise to the bottom. Forty-nine percent of those who responded to the PublicSquare/RedBalloon poll said their businesses “definitely” or “probably” would not make it through four more years of Biden. Seven in 10 business owners said they were holding off on adding staff and six in 10 said they expected stagflation — when prices rise but the economy does not grow. The survey, published in mid-May, found cash flow was so bad that 40 percent of those r…