Thomas Cook, the world's oldest travel firm, declared bankruptcy on Monday,... leaving thousands of tourists around the globe stranded, and sparking the largest peacetime repatriation effort in British history.<br />The tour company had enormous debts and said it failed to secure an emergency loan package from its creditors.<br />The UK's Civil Aviation Authority said it would launch a repatriation effort with the government... to bring back home more than 150-thousand British travelers over the next few weeks.<br /><br />