It's every professional's nightmare: You're working in a great job for a well-regarded employer, then the company -- seemingly overnight -- suffers a crisis and is bought out or goes belly-up. That's the unpleasant situation facing many Bear Stearns employees, writes Fortune's Anne Fisher in her March 25 Ask Annie column. How safe is your job? Are you worried your company could suffer a Bear Stearns-like implosion, and if so, what are you doing to get ready? If you worked for a company that failed, how did you deal with it? You can also send us your photos and videos, or email us and share your story.