Corporate America has been in uncharted territory for a while now as it tries to navigate today’s increasingly heated culture wars. Nowhere has that fact been driven home more shockingly than with Bud Light’s recent dethroning as America’s No.1-selling beer. It’s certainly not the first iconic company to get entangled in these political thickets — witness Disney, Target, Starbucks, Chick-fil-A — but Bud Light’s dilemma may be the most instructive example yet of just how thoroughly today’s political polarization has impacted every facet of the culture. The controversy began in April, when the c...