Ian Parberry once told me (though I doubt he originated it- The first link I found says it was Mark Twain)to a man with a hammer, everything looks like a nail Indeed. Since I am teaching a grad course Ramsey theory and its ``Applications''(I got 24 students, which is more than I thought I would- including around 10 ugrads who are taking it because `all the cool kids are taking it' ) I have been ta