Waiting outside the Washington D.C. offices of a sitting member of congress, Tom Deichert calmly thumbed through the sheets of talking points he and hundreds of other roofing contractors from across the country were briefed on just hours earlier. Workforce, immigration reform and regulations were on the agenda for the first-ever national Roofing Day last March, and he wanted to make sure he had the messages ready to go when it was his opportunity to speak.