Leicester back on top, Chelsea's great escape

By Alan Baldwin LONDON (Reuters) - Leicester City returned to the top of the Premier League with a 1-1 draw at bottom club Aston Villa on Saturday while misfiring champions Chelsea pulled off a great escape in a six-goal thriller with Everton. With Manchester City thrashing Crystal Palace 4-0 to go second on goal difference on the same points as Arsenal, Leicester had a golden opportunity to pull three points clear in the late game but had to settle for one after a missed penalty. Arsenal, the l