The quest for overhauling immigration received two very welcome lifts on New Year’s Day.

Mayor Michael Bloomberg of New York City, at his inauguration, pledged to help the Obama administration pass immigration reform. Mr. Bloomberg is a force to reckon with, as he proved with his national campaign against illegal guns. On the same day, four young people in Miami, current or former students at Miami Dade College, began their own determined march to Washington in an effort to bring pressure from the grass roots.

Three of the four were brought to this country illegally as children. Like thousands of other young people, they bear no blame for their status, and they are frustrated that their hard work and bright promise lead to a brick wall. Their protest for a chance to...