[x]

Reagan won in a landslide. Did he really need to worry about carrying Greenwich, Connecticut?

He didn't know he was going to win by a landslide at the time.

In fact, he was behind in the polls much of the time.

Greenwich and Connecticut haven't gone Republican in presidential election for a quarter century now.

[D-fendr]

Also, if not primarily, he picked Bush to unify the party; there was quite a split at the time.