Message : Required fields BRUSSELS (Reuters) - The European Union is making a "final push" to strike a Brexit trade deal with Britain, although there are still deep rifts over fishing rights, the bloc's chief negotiator said on Tuesday. Britain will complete its departure from the EU on Dec. 31 when its current free trade arrangements expire. The two sides have been struggling for months to define a new relationship covering everything from trade to transport and energy. The much-delayed final stages of the already tortuous negotiations now coincide with a fresh crisis after EU members an...