TRAVEL NEWS STUFFToday, around 4,000 people still live on floating reed islands on Lake Titicaca in Peru. Photograph courtesy of Alex Brouwer.I HAVEN’T BEEN EVERYWHERE, BUT IT’S ON MY LIST. – Susan SontagNearly Half of Americans Believe Their Health Insurance Would Cover Them if They Got Sick or Hurt on International Vacation — But It’s Not That Simple – ValuePenguin10 …