A 23-year-old woman has been arrested for last week’s a brutal, caught-on-video bottle attack on a New York City subway performer — who said Thursday that he is once again ready to play his cello. Amira Hunter, of Brooklyn, was captured by the NYPD Wednesday evening — 15 days after she allegedly battered Iain S. Forrest, 29, as he performed “Titanium” by Sia in the Herald Square station. Hunter is well-known to police, with eight prior arrests. She was last taken into custody in October after stealing $2,050 worth of bathing suits from New York’s famous Bergdorf Goodman. Hunter, who...