EVENTS: Hero cop, Sgt. Steve Perez, 60, dies trying to save Houston residents.
LEFT: Trump may have to choose between Harvey victims and Wall.
RIGHT: Trump warns N. Korea, ‘All options are on the table.’
MARKETS: Markets suffer from N. Korea and Harvey chaos.
SPORT: Cavaliers/Celtics trade at standstill as Cavs look for more compensation.
PIZZA: Dominoes is testing self-driving pizza delivery vehicles.
FACT: The city of London is still paying rent of a sharp axe, a billhook, 6 horseshoes, and 61 nails to the Queen on a property leased in 1211.
More on Harvey: Mega-Church owner, Joel Osteen, continues to take heat for not opening the doors of his 17,000 person church to flood victims.