Are you familiar with the butterfly effect, or how small actions can have big, often unexpected ripple effects? The classic example (and its name source) is a butterfly flapping its wings in one locale altering the air pressure just enough to generate a tornado halfway...

Ever since President Franklin D. Roosevelt signed off on the 1935 Social Security Act, most Americans have ended up pondering this critical question as they approach retirement: “When should I (or we) start taking my (or our) Social Security?” And yet, the “right” answer to this common...