Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
The latest on national protests. Plus, what went wrong in Yemen rescue attempt?
It's been 11 days since Malaysia Airlines Flight 17 was shot out of the sky over Eastern Ukraine.
The crash site has been called the biggest crime scene in the world, and it still hasn't been secured.
Pro-Russian separatists, the leading suspects who also maintain control over the vast wreckage that spans dozens of square miles, turned away international investigators from the crime scene for a second day.
CNN's Jake Tapper asked OSCE spokesperson Michael Bociurkiw why his team was turned away again.