Johnson believes he can strike Brexit deal in next month as he prepares to meet EU chiefs

The transcript discusses the UK's diplomatic efforts to secure a Brexit deal, highlighting Prime Minister Boris Johnson's optimism and meetings with EU leaders. Despite this, the UK has not presented new proposals that satisfy the EU's criteria, particularly regarding the Irish border. The backstop issue remains contentious, with legal and constitutional concerns. The Supreme Court's upcoming decision on the legality of Parliament's suspension adds to the political uncertainty. The outcome of these events will significantly impact the UK's future relationship with the EU.

What significant event is expected to occur on Tuesday regarding Boris Johnson?

How does the text describe the potential outcome for Boris Johnson in Parliament?