What do you think is the largest obstacle or challenge preventing ?effective multi-agency and inter-governmental collaboration for ?intelligence support to homeland security operatio

 1) What do you think is the largest obstacle or challenge preventing  effective multi-agency and inter-governmental collaboration for  intelligence support to homeland security operations? 2) What would  another large obstacle or challenge be, but this time from a tactical  perspective? 3) Lastly, describe at least two solutions or effective  frameworks that are being used (or that can be better employed) to  overcome these obstacles and ensure effective inter and intra-agency  collaboration for intelligence support to the HSE.