Christopher Kennedy Lawford's New York Times bestselling memoir, Symptoms of Withdrawal, offered readers a startling, first-hand look at his own addictions to drugs and alcohol, prompting People magazine to write, "Few have written so well about the joy of drugs, and few are as unsparing about their drug-driven selfishness." In his bestselling follow-up, Moments of Clarity, Lawford presents "Voices from the Front Lines of Addiction and Recovery."...