Kanye West is more than halfway in to the Rock’n’Roll Hall of Fame — if his politics don’t block the way. This extraordinary rapper-producer first won over a worldwide audience with the 2004 anthem ‘Jesus Walks’, disrupted hip-hop’s bling-bling materialism with the us-vs-them challenge of his Jay-Z collaboration Watch the Throne, and then released the confounding My Beautiful Dark Twisted Fantasy, which rightly became the most highly acclaimed hip-hop album this century.