The launch took place at Dynamic Earth - which is at the northeastern corner of the Southside and Newington parish.
Ruth's message was that she will defend the union and that she is competant and capable of taking the fight to the SNP. There were no fireworks with this launch. In the coming days I will share my thoughts on the three candidates so far declared - Jackson Carlaw, Ruth Davidson and Murdo Fraser.
Here's the BBC report on the launch and here is comment from the Holyrood Magazine.