Higher interest rates are intended to curb inflation and stabilize the economy. But this monetary tightening has come with unintended consequences, particularly for the backbone of the U.S. economy: small businesses. According to "Shark Tank" star Kevin O'Leary, small businesses are having a hard time getting financing. "The regional [banks] don't know yet what their capital requirements are going to be. So, their loan books have closed like a turtle in a shell," O'Leary told Fox Business's Larr