His big brother is cut from the do-it-yourself mould of the state’s dusty western reaches, but Jeb, the native-born son, has never worn that image well. As he returns home for a fundraiser, locals remain ambivalent about his prospectsThe grey-haired man bounded off the red, white and blue campaign bus towards a modest single-storey home in the dusty heart of the west Texas oil patch.“I’m Jeb Bush,” he said.