LONDON (Reuters) - Travel firm Thomas Cook said it would cut 2,500 UK jobs and close 195 stores in Britain as the euro crisis, high fuel costs and unrest in key destinations like Egypt and Greece take their toll on the holiday business. The 172-year-old group has struggled over the last two years with a slump in sales that has forced it to renegotiate bank loans and sell off planes and stores to lighten its debt load while facing a string of profit warnings. ...