Some days, your career can feel like a disaster, like a jar of pasta sauce that's smashed all over aisle one. Shards of glass and red goo splattered over well-worn linoleum. How did your career slip out of your fingers? Maybe at one point you had a firm grip on things, but now it's clear that's not the case, and you've got the mess to prove it. Here are some of the career messes I've seen: A promising career that's grinding to a halt after years of no promotion. An imminent layoff, combined...