Henry Hill: Unionist parties unite against backstop as Varadkar rules out fresh talks

Also: Welsh Labour choose their new leader (and First Minister) this afternoon; Scottish Tories attack SNP over tax divergence plans.

Davidson, the best hope of the Stop Johnson campaign

A new biography fails to convey the Scottish Conservative Leader’s gusto, but does show how traditional she is.

The Budget has vindicated Davidson’s rejection of a separate party

The Tories are working hard not just to argue but to demonstrate that Scottish interests are best served within British institutions and frameworks.

Murdo Fraser: Liberal Unionism – a model for Scottish Conservatives?

The history of our party has much to teach us about how to build on our modern successes.

Andy McIver: I’m sorry to bring more bad news, but Davidson won’t be heading to Westminster

Yes, she’s eyeing up a move. But it is not to Downing Street. It is to Bute House – the residence of the First Minister of Scotland.

Conservatives must resist the ‘Ulsterisation’ of Scottish politics

The Union needs ‘British politics’, a badly weakened concept. Ruth Davidson must keep her party British, as well as Scottish.

We ask our panel: What did you think of the Budget?

Murdo Fraser MSP, Natalie Elphicke, Andrew Lilico, John Glen MP, Heidi Allen and others respond to Osborne’s statement.

Henry Hill: Scottish Labour must dismount the nationalist tiger

Stoking nationalist sentiment for partisan gain has only fuelled the fires of separatism – the party needs a more credible and principled unionism.

Scotland Decides 4) David Campbell Bannerman MEP: On the front line, this referendum has set grassroots politics alight

In an almighty battle between head and heart, the level of engagement I saw while campaigning in Scotland was extraordinary.

Brian Monteith: Canny Cameron now owns devolution – leaving Labour far behind

It was the Prime Minister who crossed Ruth Davidson’s original line in the sand, and said that more powers are necessary for the Scottish Parliament.

Ruth Davidson, leader of the Scottish Tories, has an optimistic message for colleagues around the UK

She tells Andrew Gimson that Scottish Conservatives are determined to defend the UK, and may even prosper by doing so.

Scottish Tories Murdo Fraser and Struan Stevenson taunt Alex Salmond after Andy Murray embraces Union flag

By Tim MontgomerieFollow Tim on Twitter Earlier this week an opinion poll suggested that Alex Salmond's dream of an independent Scotland… Read more »

Murdo Fraser MSP: Consumers, not governments, should choose the energy mix

Murdo Fraser is Conservative MSP for Mid-Scotland & Fife and Convenor of the Scottish Parliament’s Economy, Energy & Tourism Committee…. Read more »

Murdo Fraser MSP: Policy must be based on principles which serve the interests of people throughout Scotland

Murdo Fraser MSP is Deputy Leader of the Conservatives in the Scottish Parliament and one of the candidates for the… Read more »

Can the Scottish Conservatives ever win again? A BBC Westminster Hour report.

All four candidates for the leadership of the Scottish Conservatives talk to John Beesley about the future of the Scottish… Read more »