One of two comic geniuses nicknamed "Spike" whose work was wildly successful in several mediums -- the other, of course, was Spike Jones -- Spike Milligan was also not the only brilliant comedian to suffer from mental instability. Others included the Americans W.C. Fields and Jonathan Winters, but in all three cases these problems caused only temporary interruptions in the flow of madcap hilarity. To many listeners, Milligan is best known as part of the triumvirate that headed up the Goons, starring on The Goon Show over the British Broadcasting Corporation for nearly a decade...