They say that you're the only one who will dwell on your biggest mistakes in life, but these people beg to differ. Some mistakes are so big, so grand in their scale, that they'll follow you around for your whole career! With great power comes great responsibility, which is why a lot of these workplace mess-up stories come from the managers of the world. When you're overseeing employees, working on tight deadlines , and not getting enough sleep due to the stress of your job, the mistakes just ma…