A huge spat broke out recently between President Trump’s high-profile Silicon Valley supporters, such as Elon Musk, and his MAGA base. At the heart of the disagreement was H-1B visas, a program that supporters claim brings in much-needed, high-tech talent and labor to the U.S. Mark Krikorian, executive director of the Center for Immigration Studies and a leading expert on immigration issues, explains the common misconceptions about H-1B visas and discusses immigration policy in the next Trump administration.