Millions of television fans loved to hate Larry Hagman when he played J.R. Ewing on the long-running television show “Dallas” (CBS, 1978-1991). Wearing that trademark cowboy hat wherever he went, the actor as J.R. epitomized the anti-villain – smug, excessively rich, heartless and with no loyalties. Hagman played the role so convincingly that by the end of the second season, “Dallas” was a pop culture phenomenon and fans were unable to separate the man from his iconic character – with record numbers tuning in to find out “Who Shot J.R.” in 1980. It would have been enough to have J.R. Ewing on