CLEAN : Cameron vows to defend UK banks

What are the key components of the reform agenda discussed for driving economic growth in the EU?

How does the speaker propose to enhance the single market, particularly in digital and services?

What is the significance of the Vickers plan in the context of UK regulations?

What challenges do international banks based in the UK face according to the text?

In what ways does the speaker suggest that EU regulations should be flexible for UK banks?