The best-selling career book of all time goes by the whimsical name What Color Is Your Parachute? But when it comes to charting a career plan, that’s the wrong question. What you should be asking yourself is whether your parachute can keep you aloft in changing conditions. The unfortunate truth is that in today’s career landscape, your parachute–no matter its color–may be punctured full of holes. And if it isn’t that way already, it could get that way at any time.