Veteran British tour operator Thomas Cook collapsed after failing to secure rescue funding, and travel bookings for its more than 600,000 global vacationers were canceled early Monday. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-0…","video_id":"0f1dfe4b-ef8a-48b8-9604-07009c97ae63","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"The Worst 10 Destinations for Expats"} The British government said the return of the firm's 150,000 British customers now abroad would be the largest repatriation in its peacetime history. The process is set to begin later Monday. The Civil Aviation Authority said Thomas ...