A psychiatrist says this skill is the best indicator of a person's ability to succeed

We all face obstacles in our lives and careers -- and while they can make us better and stronger, they can also put us over the edge. Turns out, the ability to get over those hurdles and persevere is the strongest sign of our ability to succeed, according to Mark Goulston, a psychiatrist, author, and former FBI hostage-negotiation trainer.  "Possessing the skill of handling obstacles well demonstrates a high level of self-reliance, good judgment, and resourcefulness," he explains. "The more pr...