by James PHEBY Agence France Presse LONDON, United Kingdom (AFP) — A former BBC chief who was criticised for his “woefully ineffective” probe into Martin Bashir’s deception in securing a bombshell interview with Princess Diana on Saturday resigned as chair of Britain’s National Gallery. Journalist Bashir tricked Diana into giving a 1995 BBC television interview in which she lifted the lid on her troubled marriage to Prince Charles, an independent investigation concluded on Thursday. […]