This post was originally published on this site
https://i.guim.co.uk/img/media/7849ba2b66525eeda521b907f5e7a5b419192f34/1306_650_4007_2404/master/4007.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom,left&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctb3BpbmlvbnMucG5n&s=61028736e7beaf621c23f57fef296820Trump’s running mate is now trying to put on a civilised face. But that is clashing queasily with his extreme outlook, says Guardian columnist Emma Brockes