BRUSSELS, Belgium (AFP) — European Council head Donald Tusk warned Wednesday there was “no guarantee” EU leaders would clinch a deal to keep Britain in the bloc at a crucial summit, as German Chancellor Angela Merkel backed London’s demands for reform. Only hours before the make-or-break summit in Brussels, which he will chair, Tusk said: “After my consultations in the last hours I have to state frankly — there is still no guarantee that we will […]