David Cameron and Nicola Sturgeon meet at Bute House in Edinburgh
http://www.theguardian.com/politics/2015/may/15/cameron-consider-beefing-up-bill-scotland-welfare-tax-powers-sturgeon
Caution on both sides at first meeting of Cameron and Sturgeon
http://www.bbc.com/news/uk-scotland-32753721
The SNP's gradual approach begins
http://www.bbc.com/news/uk-scotland-32688009
Apocalypse now...what next?
http://www.bbc.com/news/uk-scotland-32660111