Department officials cited "operational challenges" of attempting to implement the two rules in their reasoning, but maintained the legality of the plan.
Teachers get big settlements for compelled speech as full federal appeals court considers protecting student speech, but prosecutors, victims and witnesses may not get leeway to call a man a man.
The strike has begun in 10 stores so far in Chicago, Los Angeles, and Seattle. But the number could increase to hundreds of locations by Christmas Eve next week.
Marshall, who has practiced medicine for over 25 years, will lead the caucus. Other Republican members include Sens. Tommy Tuberville of Alabama, Rick Scott of Florida, Cynthia Lummis of Wyoming, and Ron Johnson of Wisconsin.