When only 4,200 people in the U.S. speak your language, it can be tough to find an interpreter - let alone a stranger so that the interpretation itself doesn't break federal privacy laws. But Language Access Network LLC does it. I covered a $15 million private equity investment in the Columbus company, which provides interpreters via two-way video for some 500 U.S. hospitals, in the weekly print edition of Columbus Business First. The infusion will help it add two more interpreting centers for...