A Liberal Democrat press officer took the unusual step last night of describing himself as "a complete idiot" in an attempt to defuse a potential row over BBC political bias. Andy McGuffie, a senior press and broadcasting officer, was forced to issue an embarrassing public apology after he sent an email to a long list of media organisations instead of party activists. The message suggested he had been asked by Daisy Sampson, a former aide to Charles Kennedy who helps present The Daily Politics, a new BBC2 programme, to supply details of Conservative gaffes. "Daisy S called from The Daily...