When President Trump withdrew deportation protection for people who illegally came to the United States as children, he tasked Congress with crafting an immigration plan to overhaul the system.
A blueprint deal he reached with Democrats emphasized protecting the so-called Dreamers while beefing up border security to prevent others from entering the country illegally. Over the weekend, the White House unveiled much tougher terms, including funding for a border wall and new limits on legal immigration.
Because of the deep divides over immigration, passage of reform will be difficult.
But since the issue has been kicking around Congress for years, there are already...