As parts of the US brace for record temperatures this week, a new study underscores the dangers of extreme heat. A new congressional task force is visiting the site of the recent assassination attempt against former President Donald Trump. US leaders are marking three years since a suicide bombing killed 13 American service members during the withdrawal from Afghanistan. We’ll tell you about an ice cave that collapsed while tourists were exploring it. And, more Red Lobster restaurants are on the chopping block.