French presidential candidates face off in first TV debate

France's presidential election moves into high gear on Monday when the top five contenders face off in a TV debate that could help sway legions of undecided voters, a month before they go to the polls.Centrist frontrunner Emmanuel Macron and far-right leader Marine Le Pen are expected to come under attack in the first of three debates ahead of the April 23 opening round in France's most unpredictable election in decades.Advisers to 48-year-old Le Pen, who is running neck-and-neck with Macron in