What is the husband's first attempt to calm his wife's fears?

The husband comforts his wife by telling her that the people who were rioting were only able to enter their neighborhood as housemaids and gardeners.

It was not possible to insure the house, the swimming pool or the car against riot damage. There were riots, but these were outside the city, where people of another color were quartered. These people were not allowed into the suburb except as reliable housemaids and gardeners, so there was nothing to fear, the husband told the wife. Yet she was afraid that some day such people might come up the street and tear off the plaque YOU HAVE BEEN WARNED and open the gates and stream in...