The document discusses parliamentary committees in the UK and their role in holding the government accountable. It explains that much of the work of parliament is done in committees, which examine issues in detail. In particular, it focuses on select committees, which scrutinize government departments and policies. Select committees can call witnesses and demand documents. While they potentially provide powerful oversight of the government, their effectiveness is limited by lack of resources and willingness to fully criticize the ruling party. The document analyzes arguments that select committees both enhance and hinder government accountability. Overall, it presents a nuanced view of the potential and limitations of parliamentary committees in the UK system.