Today: a CEO who’s all-in for Donald Trump. Anthony Constantino is founder of Sticker Mule, an upstate New York-based company that does customized merchandise from t-shirts to stickers to hot sauce.

The chief executive of Sticker Mule in Amsterdam, N.Y., set off a debate by displaying his support for Donald J. Trump in a massive sign atop the company’s headquarters. By Stefanos Chen Sticker ...