Time to start listening to the growing set of young entrepreneurs who are actually making things in America — they might be driving a renaissance in manufacturing right here at home. How is this possible? Technology makes design and production more efficient now, labor is available, and yes, governing principles stand for a lot. For many young leaders, “making it in the USA” — making it local — is a matter of principle, and, importantly, economically competitive. Young manufacturers talk with venture capitalist Kevin O’Leary, from ABC’s “Shark Tank,” about goals, successes, challenges, and will.