President Donald Trump introduces Broadcom CEO Hock Tan prior to Tan announcing the repatriation of his company's headquarters to the United States from Singapore during a ceremony in the Oval Office of the White House, in Washington, DC, November 2, 2017.Getty ImagesWhen Broadcom tried to buy rival Qualcomm for $120 billion in 2018, its efforts were thwarted. Qualcomm rejected the offer and the Trump administration declared the deal a potential threat to national security. In March of that year...