According to the USDA they planted about the same amount of Wheat acres last year as before.
http://www.cbot.com/cbot/pub/static/files/snd_cbt.pdf
Good post. Also looks like the US could put more land into production. We can easily increase 10% more than we now use. Supply is elastic in this case, even in land, which of course does have ultimate limits.
http://www.ers.usda.gov/publications/EIB14/eib14d.pdf