Andrew here. The attempted assassination of Donald Trump has reverberated around the world. The question for business and policy leaders, beyond the immediate implications for the election, is how to halt the increasing political violence in this nation. America’s economy and innovation may be the envy of the world, but our politics and polarized culture are not.

The heated rhetoric is only getting worse. Business leaders and donors are not doing enough to tamp it down; most won’t speak out, afraid of potential blowback, giving outsize influence to a handful of voices on social media. If most voters are genuinely in the middle, corporate executives — whose customer base is the American public — should use their voices and wallets…