Crack-consumerism is the collective substance abuse that we as a nation now partake in. The remedy for this greed, avarice, hyper consumption and predatoriness is the forgotten Islamic virtue of zuhd - 'renunciation' or 'worldly detachment.'  Speaking of such detachment, Imam Ahmad bin Hanbal said: 'Zuhd is of three degrees. Firstly, to shun the forbidden;…