In summary:
Me: "Have you done any Brexit impact assessments?"@DExEUgov: "Yes, loads, in excruciating detail. We're on top of it"
Me: "Ok, can you publish it so we can see it?"@DExEUgov: "No, it's secret"
Parliament: "Publish the studies"@DExEUgov: "They never existed, sorry" https://t.co/qfgVirSA7P

— David Lammy (@DavidLammy) November 28, 2017