One of Hertfordshire’s best-selling ales has been served at Strangers’ Bar in the Houses of Parliament, with MPs raising glasses to the local brew.Side Pocket for a Toad, Tring Brewery’s flagship beer, was nominated through the parliamentary Guest Beer initiative by Victoria Collins, MP for Harpenden and Berkhamsted.As part of the nomination, Tring Brewery beer sommelier Jared Ward was invited to Parliament for a tour of Westminster, and a tippl…