"I can make them voting machines sing Home Sweet Home"

Earl Long's quote is a metaphor for the power of individuals. He is suggesting that individuals have the power to make their voices heard via the ballot procedure. By voting, they can make their viewpoints understood and have a say in the direction of their government. The phrase "Home Sweet Home" is a reference to the suggestion of a risk-free and protected home, which is something that lots of people pursue. It is a pointer that individuals have the power to make their voices listened to as well as to develop a better future for themselves and also their families. By voting, they can ensure that their voices are heard and that their point of views are considered. Earl Long's quote is a tip that the power of individuals must never be undervalued.