Even politicians post things they regret later.
You can see the tweets they posted first, and deleted after on Politwoops.
RT @missjuliewooly: Just signed up a new member at our stall! @GradySNP @Maryhill_SNP @GlasgowMSP #VoteSNP #GE15 ◽◽◽ http://t.co/Nc6GC6qtt1