Nick Vivarelli International CorrespondentAs Paramount+ prepares for its splashy, star-studded U.K. and Ireland launch in London on Monday, Paramount’s president and CEO of streaming Tom Ryan spoke to Variety about the rebranded company’s global streaming biz expansion that, besides being powered by original content, stands out in the field for its diversified model.This model involves a mix of platforms and partnerships, combining direct-to-consumer and a la carte offerings with a market-by-market approach.