My parents have lived in the United States since 1964 and they have never voted. They don't feel they have a right to. They don't feel this is their country. Even though they are citizens, they pay taxes, they watch the news and keep up with current events, they still don't feel comfortable enough with their American life to fully participate in it...Any attempt to argue is thwarted by dismissal...I guess he doesn't want to explain, because how can you explain something as intangible as invisibility?