capping executive pay

"[T]he failure of say-on-pay suggests that shareholders and boards genuinely believe that outsized C.E.O. remuneration holds the key to corporate success."-- James Surowiecki, in "Why C.E.O. Pay Reform Failed"by KenRemember, not so long ago, when the issue of outlandish, and ever outlandisher, executive pay was a burning issue, or at least an issue, in the land?

Lately we've come to the conclusion that the whole concept of billionaires is illegitimate and an existential threat to democracy. But, short of a guillotine, how do you protect society by getting rid of them? Progressive taxation is the obvious choice, of course.