American in Brazil custody dispute reaches agreement to visit son he hasn't seen in 4 yearsBy MARCO SIBAJA | Associated Press Writer 8:59 PM EST, February 6, 2009 US citizen David Goldman, right, walks with a member of US Congress Christopher Smith as he arrives in Brasilia, Thursday, Feb. 5, 2009. Goldman has waged a four-year custody battle for his son, Sean, in Brazil. Goldman said he has not been allowed to see his 8-year-old son Sean since his former wife Bruna took the boy for a two-week vacation to her native Brazil in 2004 and never returned. Bruna remarried...