This week 50 journalists were allowed a once-and-once-only glimpse of the luxurious apartments of a former bishop. Franz-Peter Tebarz-van Elst came to be known as the “bishop of bling” due to his taste in interior decor – and spending of £26 million on renovation of his official residence. The most talked-about improvement at the time was his £13,000 bathtub, but until this visit few people knew about the Japanese koi pond (£156,000) or the stunning “wa