MEXICO CITY— A chain reaction of explosions at Mexico’s largest fireworks market on Tuesday afternoon has left at least 29 dead and 70 injured, according to preliminary reports by Mexican authorities.

TO THOSE ON THE TRAIN. AS FAMILIES AND FRIENDS PREPARE TO GATHER FOR THE 4TH OF JULY NEXT WEEK, NOW IS PROBABLY A REALLY GOOD TIME TO REMEMBER THE RULES WHEN IT COMES TO FIREWORKS IN OUR STATE. JULIAN ...