Why is McDonald's closing CosMc's restaurants? How will Trump's tariffs affect Apple and iPhones? What impacts will US-EU 50% tariffs have on trade? Why did Boeing avoid prosecution in 737 Max crashes? How will the US Steel-Nippon Steel partnership affect jobs? What led to United Airlines' tentative flight attendants deal? Why is Harvard suing the Trump administration over foreign students? How could Trump's tax bill impact clean energy funding? What risks do Nvidia and AI chipmakers face amid trade tensions?