DES MOINES — One of first issues greeting lawmakers when they gavel in their 2018 session one week from today will be addressing a projected shortfall in the current budget before they and Gov. Kim Reynolds can begin crafting a fiscal 2019 spending plan — which poses challenges, too.Republicans who hold majorities of 58-41 in the Iowa House and 29-20-1 in the Iowa Senate left the Capitol last May having enacted a budget with a projected $107.3 million surplus.