Liz Truss and Rishi Sunak faced off at the latest Tory party hustings in Exeter, but did the debate help win over members amid the current backdrop of industrial unrest? Bloomberg's Yuan Potts and Caroline Hepker discuss with opinion columnist Therese Raphael and reporter Lizzy Burden. Plus: economist and Labour-supporting business leader John Mills on why the government should focus on stimulating the manufacturing sector.