By Jack Dura And Steve Karnowski BELCOURT, N.D. (AP) — Native American activist Leonard Peltier was defiant toward the government but grateful for his supporters as they welcomed him home to North Dakota on Wednesday, a day after his release from a Florida prison where he had been serving a life sentence in the 1975 killings of two FBI agents. Peltier, 80, grew emotional as he addressed about 500 people who gathered at the festive event that included food, a drum circle and dancers at a center in Belcourt. The small town is just south of the Canadian border on the Turtle Mountain Band of Chippewa Indians’ reservation. “I’m so proud of the showing and support you’ve given me,” Peltier said. “I’ve got a hard time keeping myself from crying….