Not for the first time, U.S. businesses including Microsoft, General Motors and Facebook have joined hands to prevent the Trump administration from removing protections for immigrants. Their latest protests came both before and after Tuesday’s announcement by U.S. attorney general Jeff Sessions that the Trump administration has decided to rescind the DACA (Deferred Action for Childhood Arrivals) program. The move jeopardizes protections from deportation for some 800,000 young, undocumented people brought here illegally by their parents. Businesses similarly protested when Trump signed a travel ban covering seven Muslim-majority countries; deferred a program aimed to help immigrant entrepreneurs ; and when he sought to limit immigrant flows into the country.…