On tonight's programme - Boris Johnson makes his pitch for the Tory leadership claiming the survival of his party depends on no more Brexit delays. We ask the Scottish Tory leader Ruth Davidson if she could work with a Prime Minister Johnson. Also on the programme - a question of gender and sex. The row over what should be asked in the next census, and what it means for trans rights and women's rights.
Representing Border celebrates it's 500th instalment on Tuesday evening.
Our political editor Peter MacMahon blogs on the First Minister's caution over new powers to raise more cash for Holyrood.