WASHINGTON (AP) — President Donald Trump and Chief Justice John Roberts clashed Wednesday in an extraordinary public dispute over the independence of America's judiciary, with Roberts bluntly rebuking the president for denouncing a judge who rejected his migrant asylum policy as an "Obama judge."

There's no such thing, Roberts declared in a strongly worded statement contradicting Trump and defending judicial independence. Never silent for long, Trump defended his own comment, tweeting defiantly, "Sorry Justice Roberts."

The pre-Thanksgiving dustup was the first time that Roberts, the Republica...