Dear Rusty: I am 63 and my wife is exactly 4 ½ years younger than me to the day. I plan to file for Social Security when I turn 70. My earnings history is considerably higher than my wife’s. I talked with a person at the local Social Security office, and she suggested that my wife file at 62 based on her own record then convert to her spousal benefit when I file at age 70. However, from what...