Big construction is no cure for a city like Camden. Government-run, top-down fixes are much more likely to fail than succeed.
Cities are organic things. They create their own reason for being, prosper and grow. Sometimes they die.
Take the $2 Billion, give $30,000 to every man woman and child with the stipulation that they must move at least 200 miles away. Raze the rubble. Plant grass.
You just might be onto something there.....