The disappointments keep stacking up for the self-employed. The Biden administration announced a key revision to the Paycheck Protection Program on February 22 that made it possible for sole proprietors, independent contractors, and self-employed entrepreneurs to qualify for bigger loans than before: They could apply on the basis of their gross income as opposed to net income or net profits. But the Small Business Administration didn't produce the guidance lenders need to process the changes until March 3. In that guidance, the Small Business Administration said the new calculation...