By Kasredin: This year’s Notting Hill Carnival has ended with 279 arrests having been made. The Notting Hill Carnival is Europe’s biggest street party, and takes place every summer.  It began in the late 1950s, and for its first twenty years or so it was a fairly peaceful affair.  Then things began to go downhill, and violence became a perennial feature.  In 1987 the carnival had its first ever murder. Sanity appeared to prevail in…