Long before Steve Pearce was nominated to lead the country’s largest land management agency, he was an intensely shy son of a Texas sharecropper who used an eastern New Mexico oilfield job and an irrigated 5-acre farm to pull Steve and his five siblings out of poverty. Other aspects of Pearce’s early life — a blistering work ethic, devout upbringing and ties to agricultural groups — appear to have remained intact. But some components of Pearce’s…