How does a narrow majority in the US House of Representatives work, what will Republicans have to do to manage it, and what can Democrats do to overcome it? Our inside expert walks us through it. Jerry Hartz worked in Congress for 28 years, most recently as Senior Adviser and Director of Legislative Floor Operations for Nancy Pelosi. There is no one on Earth who knows more about how to run the House of Representatives, and how things may play out in the coming years.