Electricity is of two kinds, positive and negative. The difference is, I presume, that one comes a little more expensive, but is more durable; the other is a cheaper thing, but the moths get into it.
The standard rumor at the time was that Rumsfeld, as chief of staff, had persuaded President Ford to appoint George H.W. Bush as director of Central Intelligence, assuming that that got rid of a potential competitor for the presidency.
I was playing violin for a long time, about 6 years. It takes a while. You need very patient people in your house when you have a violin.