PORTLAND, OR — What began as a tense standoff outside Portland’s ICE building took an unexpected turn Saturday when Antifa activists and federal troops dropped their shields, rolled out a pair of Weber grills, and transformed the protest zone into a full-blown block party. Witnesses say the mood shifted when a soldier in full riot gear asked if anyone had extra propane. Within minutes, both sides were contributing—Antifa supplied veggie dogs and kombucha mixers, while the troops brought a...