The wife of Democratic Delaware Sen. Tom Carper purchased shares of semiconductor manufacturer Intel Corp. just days before President Biden issued an executive order aimed at addressing the global chip shortage.... If Sen. Carper knew that Biden would sign the executive order, then Martha Ann Stacy Carper’s share purchases were “certainly unethical,” said Hank Sheinkopf, president of the New York-based strategic communications firm Sheinkopf Communications Ltd. He added that while a causal relationship may not exist, it “doesn't look good” that Carper represents Delaware, Biden’s home state. Taking action to combat a global shortage of semiconductor chips has become a...