The Role Played by Pressure Groups

Using L and R p202-203, summarise each role played

Keeping politicians in touch with public opinion between elections:

Providing alternative viewpoints:

Protecting minorities:

Providing information and advice to decision makers:

Providing checks and balances needed in a liberal democracy:

Then, look at criticisms.  How does each counter the role of the pressure group?  Does this mean they are useless?:

Answer questions in 10.5.