Barbara Thomas, president and CEO of the National Black MBA Assn., sees both promise and pitfalls for entrepreneurs in the black community. While black entrepreneurship is growing rapidly, black-owned businesses too often suffer from lack of access to capital and mentors. In addition, Hurricane Katrina's effects on African-American-owned firms in Mississippi and Louisiana have been devastating and won't be easily remedied. In this Smart Answers podcast, columnist Karen E. Klein talks to Thomas about the challenges ahead for black entrepreneurs