Gaz Coombes has spoken about taking Valium on a flight with The Cure‘s Robert Smith, who was his hero growing up.The Supergrass frontman and soloist in his own name was being quizzed in NME‘s Does Rock ‘N’ Roll Kill Braincells?! feature recently when he recalled hanging out with Smith while on a flight to Rio de Janeiro, Brazil.When NME asked Coombes (who formerly covered The Cure songs in his old band, The Jennifers) what it felt like to learn that Smith regarded him as a younger version of