LAWRENCWE WITTNER – Isn’t it rather odd that America’s largest single public expenditure scheduled for the coming decades has received no attention in the 2015-2016 presidential debates? The expenditure is for a thirty-year program to “modernize†the U.S. nuclear arsenal and production facilities. Although President Obama began his administration with a dramatic public commitment to build a nuclear weapons-free world, that commitment has long ago dwindled and died.