KEY BISCAYNE, Fla. - Former President Nixon's private sanctuary, known as the Winter White House, was razed to make way for a new residence. AP Photo The ranch-style home at 500 Bay Lane in the Miami island suburb was where plans for the Watergate break-in at Democratic headquarters were discussed and where Nixon retreated as the scandal unfolded. "When he became president, he needed a getaway, and that became his Winter White House," said Paul George, history professor at Miami Dade College. Nixon bought the home from his former Senate colleague George Smathers and visited at least 50 times while...