Boris Johnson came under fire during his recent Cabinet reshuffle for allegedly allowing his unelected Chief Adviser Dominic Cummings to have too much involvement in Cabinet staffing. Former Special Adviser (SpAd) Peter Cardwell has advised four Cabinet ministers in his role within the government, but was sacked in the reshuffle by the Justice Secretary Robert Buckland. We ask him what exactly a SpAd is and what is it that they do? He also reveals how meetings have changed since Dominic Cummings was given a top government role within No. 10 Downing Street. How did we get here? Explaining the news is a podcast from 5 News. Join Andy Bell as he explains the world's biggest news stories through interviews with politicians, experts and analysts.