Here’s the latest for Wednesday, Aug. 7: New Hamas leader can ensure a cease-fire deal is reached, Blinken says; 9/11 hearings at Guantanamo Bay in upheaval; Tropical Storm Debby hovers off Carolinas coast; Great Barrier Reef waters hottest in 400 years.

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Here’s the latest for Wednesday, Aug. 7: New Hamas leader can ensure a cease-fire deal is reached, Blinken says; 9/11 hearings at Guantanamo Bay in upheaval; Tropical Storm Debby hovers off Carolinas coast; Great Barrier Reef waters hottest in 400 years.