Analysis: Boris Johnson is picking a Brexit fight at a very risky moment

London (CNN) Boris Johnson has a lot on his plate right now.
To the outside observer, then, it might seem odd that Johnson now also appears to be picking a Brexit-related fight with his old foe , the European Union.
Sinn Fein won the legislative elections in Northern Ireland for the first time in history last week.
Sinn Fein's Vice President Michelle O'Neill, center, celebrates with party colleagues after being elected in Mid Ulster at the Medow Bank election count centre in Magherafelt , Northern Ireland, Friday, May, 6, 2022.
To date, the British government has yet to fully implement the protocol, much to the EU's disdain.
British media have talked up the prospect of a "trade war," which the EU denies is its intention.
"Brexit was a deliberate political decision to create trade barriers between the UK and EU.
Members of Johnson's Conservative party have a range of views as to why picking this fight now is not a terrible idea.
Many of them believe that the protocol really was an unfair deal that is undermining the integrity of the UK.
British Prime Minister Boris Johnson (L) is welcomed by Ukraine's President Volodymyr Zelensky at the Presidential Palace, in Kyiv on February 1, 2022.
Voters want to enjoy the Brexit dividend -- and technocratic wrangling over international treaties isn't as easy to sell to them."
But he is also a Prime Minister who has governed through unprecedented crisis after unprecedented crisis.
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