We hope that you find this article from one of America's most revered leaders as useful as we did. Please leave a comment if you are so inclined...  Jack Welch - Influencer Executive Chairman, The Jack Welch Management Institute What’s the number one quality a leader, at any level, can’t live without? Intelligence? Charisma? The ability to see around corners? The possible answers are myriad. But above all, I would argue, in good times, and especially in bad, it’s positive ener...