Many Americans rely on Social Security benefits to see them through retirement, but how much should they really be depending on those checks? Not very much, experts said. Social Security is not being used as it was intended, said Ric Edelman, executive chairman and co-founder of Edelman Financial Services in Fairfax, Va. and author of “The Truth about Your Future.” When Congress and President Franklin D. Roosevelt created the system in 1933, the program was designed to be a safety net for Americans — for those who had no financial support. Now, “a great many Americans are relying heavily on...