Yeats said, "I began to imagine [around 1904], as always at my left side just out of the range of sight, a brazen winged beast which I associated with laughing, ecstatic destruction", noting that the beast was "Afterwards described in my poem 'The Second Coming".Laughing, ecstatic destruction seems to be an apt description of what Barry is up to.
.....like the time in his interview with Steve Kroft when he was laughing at the collapse of the world economy.....