The Conservative Message Machine Money Matrix, famously identified by Rob Stein and David Brock, is the source of almost all funding behind the wingnut Schiavo push. A two-week old article from Jon Eisberg identifies how the Philanthropy Roundtable is involved with the case, among other familiar faces of uber-rich conservative donor fame: read on
This is why Republicans in congress had to take the wildly unpopular stance of intervening, overstepping their bounds, and damaging the Constitution. They had to become involved: all of the top donors and architects of their propaganda apparatus demanded it.
It's always in the money.