TANGI SALAUN and ERIC GAILLARD A knife-wielding attacker shouting "Allahu Akbar" (God is Greatest) has beheaded a woman and killed two other people in a church in the French city of Nice. A defiant President Emmanuel Macron, declaring that France had been subject to an Islamist terrorist attack, said he would deploy thousands more soldiers to protect important French sites, such as places of worship and schools. Speaking from the scene, he said France had been attacked "over our values, for our taste for freedom, for the ability on our soil to have freedom of belief". "And I say it…