Information Liberation 
May 9, 2018
The Associated Press’s new stylebook guidelines instruct writers to avoid using the term “chain migration” because it’s used by “immigration hardliners,” but feel free to keep using the Democrats’ term “Dreamers” to refer to illegal aliens.
The new guidelines were quietly revealed at a conference late last month and received scant coverage.
Poynter.org said the “guidance” they received from the AP told them :
Avoid the term “chain migration”: “A term applied by immigration hardliners to what the U.S. government calls family-based immigration, a longstanding program granting preference to people with relatives who already have legal residency or U.S. citizenship. Avoid the term except when used in a quotation, and explain it.”
David Frum said the term was originally “coined in the 1960s to counter claims of immigrant up-rootedness.”
New AP style guide today urges writers to avoid phrase "chain migration." https://t.co/IuHr1T44xi  As so often, today's forbidden phrase originated as yesterday's politeness, coined in the 1960s to counter claims of immigrant up-rootedness https://t.co/51gmCOTVDz 
— David Frum (@davidfrum) May 7, 2018 
While chain migration is now verboten, using the ridiculous term “Dreamers” to denote illegal aliens is just fine, though they say it should be used “sparingly.”
— Gerri Berendzen (@gerrrib) April 27, 2018 
From WNA News :
DREAM Act, “Dreamers” The DREAM Act – Development, Relief and Education for Alien Minors – is congressional legislation that would allow young immigrants in the country illegally who were brought here as children to remain in the country if they meet certain criteria. The legislation has never been approved by Congress as of March 1, 2018. It is similar to but not the same as the Deferred Action for Childhood Arrivals program. Many refer to immigrants who would benefit from either the DREAM Act or DACA as “Dreamers.” The term “Dreamers” is acceptable if necessary, but should be used sparingly and in quotation marks in all references. Explain the term soon after use: They are commonly referred to as “Dreamers,” based on never-passed proposals in Congress called the DREAM Act. For balance, also include wording such as: Opponents say the law rewards people for breaking the law, encourages illegal immigration and hurts American workers. Often it is possible in subsequent references to use other terms such as immigrant, youths or a person’s name instead of “Dreamer” or “Dreamers.”
They also said stop using the term “Aborigine” because “some consider the term offensive.”
ABORIGINE (ADDS THAT SOME CONSIDER THE TERM OFFENSIVE)
An outdated term referring to aboriginal people in Australia. It is considered offensive by some and should be avoided.
Incidentally, normal Americans being offended by the AP’s Orwellian thought policing  hasn’t seemed to influence their style guides one bit.