After Guido’s story yesterday about the controversial and murky “Friends of Speaker Bercow” fund-raising group, it seems a member of UKIP in the Speaker’s constituency has put a complaint in to John Lyon about a letter he received. Guido imagines Bercow wouldn’t have been so stupid to have used the Speaker’s stationary to beg for money, but the secretary of the fund has said Bercow was responsible for drawing up and passing on names. If the allegations that potential donors were invited to the Palace of Westminster are investigated then this could be a serious problem for the embattled squeaker…