Are public-sector unions in the United States too powerful? What is the source of the power of public-sector unions? Do you agree with Governor Walker of Wisconsin, who believes that;

(1) Public-sector unions should have their power cut back so the topics for negotiation are limited to only wages.

(2) The unions must hold an election each year to make sure that a majority of employees want the union to continue, or else lose their right to represent public employees?