[Migrants are pictured at a Turkish coastguard station after a failed attempt at crossing to the Greek island of Lesbos, in the Turkish coastal town of Dikili]By Paul Taylor BRUSSELS (Reuters) - Despite deep public misgivings in some countries, the European Union will this week drive forward a plan to grant Turks visa-free travel to Europe as a reward for having reduced a flood of refugees and migrants into Europe to a trickle. The European Commission is set to declare on Wednesday that Turkey has broadly met the criteria for early visa liberalisation in a blaze of last-minute legislation and ask EU governments and the European Parliament to approve the decision by the end of June, several EU sources said. Turkey has raised its game," a senior EU official familiar with the negotiations said.