The two lead contenders in France’s presidential election – centrist incumbent Emmanuel Macron and far-right politician Marine Le Pen – have cast their ballots in the first round of voting. Macron, 44, voted together with his wife, Brigitte, in the northern seaside resort of Le Touquet-Paris-Plage, where he was welcomed at the polling station by a crowd of supporters. Le Pen, 53, cast her vote in Hénin-Beaumont, near Lille. Polls put her behind Macron, although the gap has tightened in recent weeks. If, as expected, none of the 12 candidates gets an absolute majority, a run-off between the top…