MIMOSA SPENCER, SYBILLE DE LA HAMAIDE and TASSILO HUMMEL FRANCE'S incumbent leader Emmanuel Macron and far-right challenger Marine Le Pen are heading for an April 24 presidential election runoff, projections showed after first-round voting. Macron garnered 28.1-29.5% of votes in the first round while Le Pen won 23.3-24.4%, according to separate estimates by pollsters Ifop, OpinionWay, Elabe and Ipsos. Those estimates, published as voting ended, are usually very reliable in France. If confirmed, that outcome would set up a duel between an economic liberal with a globalist outlook in Macron and a deeply eurosceptic economic nationalist who, until the Ukraine…