Bill Clinton was one of three U.S. presidents who eulogized the late Ethel Kennedy at her funeral in Washington, D.C. on Wednesday, recalling her as a “fireball” who wasn’t above teasing him when they encountered one another. “I thought your mother was the cat’s meow. She would flirt with me in the most innocent ways,” the former president told Ethel’s children. “She was an amazing fireball of continuous energy. It was wonderful to be around her.” Also present to speak were Barack Obama, who called Ethel “a big dose in a small package,” and Joe Biden, who said there was “nothing” she couldn’t accomplish during her lifetime. Ethel, who was widowed in 1968 after her husband, Robert F. Kennedy, was assassinated on…..