At 40, are Atlantic City casinos healing or courting danger?

This April 20, 2018 photo shows a game of roulette underway at Resorts Casino Hotel in Atlantic City, N.J. As Atlantic City’s casinos mark their 40th anniversary, the industry is hailing the reopening of two of the five casinos that shut down since 2014, though some worry that re-expanding the market could lead to the same conditions that caused the wave of closings in the first place. (AP Photo/Wayne Parry)

This April 20, 2018 photo shows a game of cards underway at Resorts Casino Hotel in Atlantic City, N.J. As Atlantic City’s casinos mark their 40th anniversary, the industry is hailing the reopening of two of the five casinos that shut down since 2014, though some worry that re-expanding the market could lead to the same conditions that caused the closings in the first place. Hard Rock, which is the former Trump Taj Majal, and Ocean Resort, which is the former Revel, are both due to open on June 28. (AP Photo/Wayne Parry)

ATLANTIC CITY, N.J. — Having lost five of its 12 casinos over the past four years, Atlantic City will mark its 40th anniversary of casino gambling by reopening two of those shuttered properties, despite concern in some quarters that it might be repeating the same mistakes that got it into trouble in the first place.