Clickable:
Best Chrome 57 resource I found: https://forums.whirlpool.net.au/archive/2605051
https://wiki.mozilla.org/CA:WoSign_Issues enumerates the issues
https://security.googleblog.com/2016/10/distrusting-wosign-a...
Past discussions:
https://news.ycombinator.com/item?id=12389573
https://news.ycombinator.com/item?id=12444590
https://news.ycombinator.com/item?id=12617659