If Cher could ‘Turn Back Time,’ she wouldn’t

Before Madonna and Gaga, before Bey and Björk, there was Cher. She’s always been a singular sensation, thanks to her deadpan humor, uncommon contralto and fierce, take-no-prisoners fashions. Even now, on the heels of her 26th album, “Closer to the Truth,” the beat goes on as her “Dressed to Kill” tour rolls into Barclays Center...