Hamas said on Sunday that it rejects new Israeli conditions put forward in Gaza ceasefire talks, casting further doubt on the chances of a breakthrough in the latest U.S.-backed effort to end the 10-month-old war. Months of on-off talks have failed to produce an agreement to end Israel’s devastating war on Gaza or free the remaining hostages seized by Hamas. Key sticking points in ongoing talks mediated by the United States, Egypt and Qatar include an Israeli presence in the so-called Philadelphi Corridor, a narrow 14.5 km-long (nine-mile) stretch of land along Gaza’s southern border with Egyp…