Book excerpt: Since its founding in 1892, General Electric has been more than just a corporation: it was job security, a solidly safe investment, and an elite business education for top managers. GE electrified America, from lightbulbs to turbines, and became fully integrated into the American societal mindset as few companies ever had. And after two decades of leadership under legendary CEO Jack Welch, GE entered the twenty-first century as America's most valuable corporation. Gryta and Mann examine how Welch's handpicked successor, Jeff Immelt, tried to fix flaws in Welch's profit machine, while stumbling headlong into mistakes of his own. In doing so, they detail how one of America's all-time great companies has been reduced to a cautionary tale for our times. -- adapted from jacket