WASHINGTON ― By walking onto the inaugural platform outside the Capitol and putting his hand on a Bible on Jan. 20, Donald Trump may be stepping closer to committing a felony than he ever imagined when he launched his unlikely bid to become the nation’s 45th president. That’s because Congress passed a law in 2012 called the Stock Act , which explicitly bars the president, members of Congress and senior executive branch officials from using their insider knowledge to make money. Advertisement Obeying the law is not especially difficult for most people. But most people do not have access to the immense amount of secret information that presidents deal with every day. And no presidents before have been billionaires with business holdings spread around the world. The law is clear in saying that the president cannot do anything that resembles helping friends, family members or himself to make a profit off of information he gains from doing his job. “It’s...