Rincon Indian Reservation - Harrah's Rincon Casino said Monday that it has cut 66 jobs since summer, a relatively modest number that nonetheless adds to recent losses in an industry once said to be recession-proof. Many of the positions have merely opened up and gone unfilled, casino spokeswoman Sheryl Sebastian said. The casino has laid off some employees and shifted others from one position to another in an attempt to avoid further layoffs, she said.