Media training is now an integral part of any business. Given how fast quotes and interviews travel – and poor interviews often travel faster than good ones – it is crucial to prepare for a confident message delivery. Green Party leader, Natalie Bennett, may be wishing she’d spent a little longer preparing after describing her own recent interview on LBC radio as “excruciating”.

Host Nick Ferrari pushed Bennett on her plans to build 500,000 new council homes, funded by removing tax relief on mortgage interest for private landlords.…