Is Stephen Miller winning the battle over US immigration policy?

Stephen Miller was a sophomore in high school, back in the early 2000s, when he began drawing attention for his outspoken conservative views. 

At California’s Santa Monica High, a big, diverse public school with many immigrants and children of immigrants, Mr. Miller went around campus saying “everyone and their parents should speak English – or get out of the country,” says Kesha Ram, a Santa Monica alum whose father immigrated from India.

“He’d walk up to you, and hit you with a barrage of dubious statements that would leave you breathless,” says Ms. Ram, a former Democratic state legislator in Vermont who has known Mr. Miller, a top adviser to President Donald Trump, since middle school. “Like, how much carbon dioxide volcanoes emit into the atmosphere, versus a car.”

Today, Mr. Miller’s style is no less provocative – and his far-right views lie at the center of controversy amid a surge of migrants at the U.S.-Mexico border and upheaval at the Department of Homeland Security. With