MADRID – Thousands of passengers faced travel disruptions across Spain Saturday after domestic carrier Spanair canceled all of its flights late Friday night and prepared to file for bankruptcy protection. The collapse of the Barcelona carrier took place shortly after Qatar Airways walked away from talks to take over the airline after months of negotiations. "Due to a lack of financial visibility for the coming months, the company has had no option but to cease flying out of a duty of care for the safety of its operation and the well being of all concerned," Spanair said in a statement...