NBC News really means business this time. The NBCUniversal-backed journalism outlet is launching a new concept that will feature deep conversations with executives whose companies exert a strong influence on Americans’ everyday lives. Reports filed under “Business in America” will examine how fast-paced innovation by companies such as Nike, General Motors, Zillow and Barnes & Noble can affect consumers, and will appear in different ways across “Today,” “NBC Nightly News,” “NBC News Now” and other outlets, including the company’s’ subscription offering. Each story will be tailored for the venue in which it appears. The executive who oversees all NBCU news operations believes audiences are eager to hear directly from corporate leaders. “We are at such a unique moment in time. The pace of change right now that we are seeing in the marketplace affects technology retail, healthcare,” says Cesar Conde , chairman of NBCUniversal News Group, during a recent interview.…