This is not your typical political dynasty-in-the-making: A second cousin to Barack Obama is considering a run for U.S. Senate, and he's a fire-breathing conservative. Milton Wolf, whose mother's cousin was also Obama's grandmother, is a Kansas radiologist who writes columns for The Washington Times and produced videos for The Daily Caller last year. Neither publication is known for its patience with the president, and Wolf fits right in with their politics. He is gauging support among conservative leaders for a primary challenge to Sen. Pat Roberts. 'They say you can't choose your family,' Wolf said in one Daily Caller...