5 imho if we do not see almost immediate movement on items 1-4, then we can be fairly certain that the fix is in at the UK end and that the UK government will seek and find a way to extend Article 50 to delay and ultimately scuttle Brexit, via a 2nd referendum or whatever.
6 imho london is very vulnerable to passive-aggressive forms of sabotage. probably about 100 deliberately scuttled vehicles a day in the middle of early morning commute traffic would bring it to its knees. just saying...
Or a trench dug across Piccadilly.
Love, Nigel