Sprint and Verizon have both been providing more details about the practicalities of their densification programs, while piling pressure on US municipal authorities to make it easier for operators to access sites and infrastructure for 4G or 5G small cells. Tarek Robbiati, Sprint’s CFO, has been one of the most vocal wireless executives about the need to make outdoor small cell deployment easier, cheaper and more scalable. He has argued that local authorities can help lower barriers by opening up their sites and removing the red tape that currently surrounds permits and approvals for those locations, and for mobile equipment installation. But despite enthusiasm for smart city programs in many parts of the US, some states have proved hostile to…