Monday on the NewsHour, more than 50 Palestinian protesters are killed along Israel's border with Gaza amid celebrations of the U.S. Embassy opening in Jerusalem. Also: President Trump's plan to reduce prescription drug prices, putting a spotlight on college students' mental health, Capitol Hill staffers on sexual harassment and our Politics Monday discussion.

Wednesday on the NewsHour, the North Korean regime cancels talks with the South and says it will reconsider a historic summit with the U.S. Also: Key takeaways from a slew of documents released in the Russia probe, on the ground in war-torn Yemen, voters in four states pick midterm candidates, how Facebook tries to tackle the content it won't delete and more.