[...] shortages of supply in commodities? On which planet?
On the third (blue) planet of the Solar System, Milky Way, liar.
It is clearly not the planet you are living on.
Oil shortages? Peak oil shortages in supply combined with unprecedented growth of oil demand from China.
Sugar shortages? Record bad weather in Brasil and a record typhoon in Australia hitting the biggest sugar production area (global warming, anyone?) hurting supplies combined with unprecedented sugar demand from India - the largest sugar consumer on the planet.
Wheat shortages? Unprecedented heat-wave in Russia (global warming, anyone?) and a wheat export ban by Russia - combined with weak wheat production elsewhere as well.
Do basic supply and demand pressures mean anything on the planet you live on? Do you know the concept of inflexible demand, where advanced countries will pay pretty much any price to get the wheat they want, even if it means that they starve poorer countries?
But you really need to address the lies of yours I've already exposed, before getting into new topics ...