The voters Lyndon Johnson would have to convince to vote for him—voters most of whom had never even heard the name of Lyndon Johnson—were scattered on their isolated farms and ranches so thinly across those immense spaces that a candidate could drive miles between one voter and the next. Difficult miles. Two major highways ran through the district: east-west U.S. Highway 290, and north-south U.S. Highway 81. Most of the district’s other roads were unpaved; in 1937, the fifty-eight miles of “State Highway 66” between Johnson City and the northern boundary of Burnet County, for example, were
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