> The only real safeguard is layer upon layer of checks But this is one such check. As I remember it it was at work in the fall of the Soviet Union, and it was

> The only real safeguard is layer upon layer of checks But this is one such check. As I remember it it was at work in the fall of the Soviet Union, and it was worked around at Tiananmen Square (where they brought in troops from the country, not trusting the ones on site to be brutal enough).