Entrepreneurs are a rare breed. Although start-up activity has been on the upswing, just 0.34 of the adults in the U.S. for example (or 340 out of 100,000) started a new business each month in 2009, according to the Kaufman Index of Entrepreneurial Activity. Women entrepreneurs are even more exceptional, accounting for just 29% of all U.S. businesses, as indicated in a recent American Express s...