The NAACP and civil rights leaders are calling for a boycott of the San Francisco Giants.It comes after the team's principal owner contributed to the campaign of Mississippi Sen. Cindy Hyde-Smith. She's the senator who said she would gladly attend a public hanging if one of her supporters invited her. 49ers Cut Foster After Arrest on Domestic Violence Charge Charles Johnson, the man who owns more of the Giants team than anyone else, is a Florida billionaire with a long history of supporting Republican candidates and causes. But when he and his wife sent $5,400 to Hyde-Smith, it was nine days after she made the public hanging comment that she later described as a joke.Hyde-Smith said her comments were taken out of context. But the uproar caused some big companies like Wal-mart, Pfizer and AT&T to ask that their contributions be returned. Man Arrested for Allegedly Hitting, Killing Pedestrian in SJ But Johnson, who owns 26 percent of the Giants, has not."It was more than I could take and I decided on my own one person that never again would I support the Giants," Civil Rights Attorney John Burris said. "I would not buy a ticket. I would not encourage any of my friends to buy...