The SNP-Greens deal might suggest greater alignment of policy agendas in Holyrood, but there will be disagreements in any future referendum

The SNP and Scottish Greens recently announced a power-sharing deal to create a governing majority in Holyrood, which could then add pressure on the UK government to approve a second independence referendum. James Mitchell discusses what the two parties historically had in common, how power has changed the SNP in recent years, and the potential of this new agreement.