Who is David Frost and why is his speech important?

He was Boris Johnson’s chief Brexit negotiator and now oversees trade talks with the EU as head of the government’s “Taskforce Europe”. A former diplomat, he left the civil service to run the Scotch Whisky Association before being brought back to government by Johnson as a special adviser. He earned plaudits within No 10 for helping to deliver a reworked withdrawal agreement in October and was put in charge of the next phase of trade talks. Tonight is his first public appearance in the role.

Why is he speaking and what is he going to say?

Mr Frost will set out Britain’s negotiating position in a speech in Brussels tonight. The event will be an