The COO of American Airlines didn't "mince words" in a new letter about the impact of recent flight cancellations. In the letter sent to employees on Monday morning, Chief Operating Officer David Seymour addressed the ongoing government shutdown, now the longest in US history."I won't mince words: This weekend's operation was incredibly challenging for our industry, for our customers, for our airline and for you, our team members," he wrote, adding that the weekend saw "nearly 1,400 cancellations and more ...