Almost all Americans say they are planning to ignore a key piece of Social Security advice, which means they will miss out on higher monthly payments. Only 10 percent of those still working plan to wait until they are 70 before they start claiming benefits, according to findings from investment firm Schroders. Americans can begin claiming Social Security as early as 62, but doing so permanently reduces their monthly payments. To receive a full retirement benefit, workers must wait until their full retirement age, which stands at 67. However every year after full retirement age that Americans delay claiming Social...