Yet when he stepped to the microphone his voice quavered, and he occasionally paused to restrain tears.
Officers in the unit are trained to deal with the emotionally ill and are equipped with devices - including restraining bars, tear gas and nets - to overcome potentially violent people.
So while Argentina may restrain its tears, future musicians in the audience may well weep, quietly of course, when they realize what this show and others like it could mean for their job prospects.
When the cable was finally in place and working in 1866, and a cable that had been lost at sea 13 months earlier had been recovered, Field received a six-letter message: "Both O.K". "I left the room," he later recalled, "I went to my cabin, I locked the door; I could no longer restrain my tears -- crying like a child".
In his Sunday Telegraph column this week, AN Wilson recalled the passage in Dante's Inferno where the poet "cannot restrain his tears at the sight of the distorted, tortured limbs of the fortune tellers and diviners, physically twisted to view their own bottoms as a punishment for presuming to see ahead".
He even had to be forcibly restrained from tearing out a sore eye.
Forcibly restrained, she tore at her skin and bit her hand so hard she retained the marks for the rest of her life, before Jesus appeared to her in a vision and she grew calm.
Having learned more about ANZAC Day and the Australian character, I had trouble restraining my anger and tears upon watching this video.
This wasn't a new story but this time there was video: footage of officers stripping, tear gassing, and restraining Aboriginal teenage detainees for hours on end.
In July, the ABC's Four Corners aired disturbing footage from the Don Dale Detention Centre in the Northern Territory, which showed youth justice officers restraining juvenile detainees with spit hoods, zip ties, and tear gas.
While they may appear to be wrestling, there's something much more powerful going on, a competitive dance between brothers that is so ripe with emotions it bring one of them to tears, though restrained ones.
