NASHVILLE, Tenn. — People who know him say Dave Manning works hard, is extremely disciplined and comfortable with detail, eager to teach and a man who knows his mind yet appreciates the value of a mutually beneficial deal. Now he has the biggest platform of his life to put those qualities to use as the newly installed chairman of American Trucking Associations.

NASHVILLE, Tenn. — As the Cumberland River flows westward through Music City toward the Ohio River, it usually is a shimmering, soothing companion to many of the city’s historic and tourist sites, but in early May 2010 it was anything but that.

NASHVILLE, Tenn. — Betsy Manning was a bit unsure about a life in trucking during the early days of her marriage with Dave Manning, the incoming chairman of American Trucking Associations. But she’s acquired a taste for it during their run of nearly five decades together.