An op-ed in the Financial Times argues that the era of borderless enterprise may be past, thanks to rising geopolitical tensions between the US and China. In "Geopolitics spells the demise of the global chief executive," Elisabeth Braw writes that the nationalities of companies and their chief executives now matter again and their ability to pursue a truly global business strategy will be limited. But has the situation actually changed? Ian Bremmer and Eurasia Group analyst Charles Dunst take out the Red Pen to explain that nationalities have always mattered, and many of these risks aren't new.