Article snippet: NEWCASTLE, Okla. — It feels as far away as possible from the chaos and choreography of a presidential campaign: a little red house in a neighborhood surrounded by fields, where almost nothing breaks the straight line of the horizon. But the man who lives here, a decorated Air Force veteran who the neighbors don’t see very often, has a crucial role to play in Senator Elizabeth Warren’s presidential campaign. So do his two brothers, who live their own quiet lives in Oklahoma City and nearby Norman. The men are Warren’s older brothers — Don Reed Herring, John Herring, and David Herring — and, at nearly every campaign stop, she introduces herself to voters by talking about them, weaving folksy family stories with details about their military service, conservative politics, and agreement around her big ideas. Over the past year, they have become a fixture of her pitch, a living link to her upbringing in a financially strained world she says is an indelible part of who she is. They also do more: They are a key part of her effort to show she can find common ground with Republicans, offering them as a rejoinder to questions about her electability. “The boys, only one is a Democrat,” she said this weekend in Cedar Rapids. She paused for laughs. “Do the math.” But, for all she talks about them, Warren’s brothers are mostly a mystery to the public, frozen-like set pieces in her speeches. None of them has spoken with reporters since 2012, and, one by one, they declined to ... Link to the full article to read more