You don’t get to celebrate your 168th birthday by standing in place. Consider the company that started out in 1851 as the New York and Mississippi Valley Printing Telegraph Co. More than a century and a half later, Denver-based Western Union is the leader in international money transfers, generating revenue of $5.5 billion in 2018 and doing business with tech giants Amazon and Google. “You have to have the courage to disrupt yourself before you’re disrupted by somebody else,” says Rebecca...