In 1986, Ron joined the ABC News team as a news anchor and general assignment correspondent. He famous as the reporter for Good Morning America and World News for Diane Sawyer. As a reported, Ron has covered a diverse range of stories such as legalization of gay marriage in Massachusetts, 1991 Persian Gulf War, 2002 Catholic Church scandal, Elian Gonzalez custody case, the Yugoslavia conflict, and presidential campaigns of Sen. John McCain, George Bush and Bill Clinton.