United States, May 29 -- Mastercard launched Mastercard Small Business Navigator, a program designed to equip U.S. entrepreneurs with the tools, data and education they need to fuel and protect their passion and growth. Small and medium-sized enterprises (SMEs) represent more than 99% of U.S. businesses1 and are the beating heart of local economies. For the people behind them, running a small business is more than a job - it's their passion; 50% of small business owners in North America define prosperity as feeling fulfilled in their career and enjoying their work, while 51% say it means doing what they love every day.2 Mastercard tools and resources are built to simplify and fortify daily operations, so small business owners can focus on o...