The story of how an EO Vietnam member, Raul, proved that the greatest challenge isn't reaching the finish line, it's believing you can. The Dangerous Question Every entrepreneur I know lives with a familiar companion. It doesn't show up on the balance sheet or in the investor deck. It sits quietly in the back of every meeting, every decision, every late night when the office is empty and the questions get louder. Doubt. Raul Riveros knows that companion well. For thirty years