Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Continuing coverage of Malaysia Airlines Flight 17. Plus, the latest on Mideast tensions.
(CNN) - Russian President Vladimir Putin has insisted a "ring of steel" will be in place to keep the Olympic games safe.
But just what does that include and what does it mean if you find yourself outside the protective bubble?
CNN's Tom Foreman and senior fellow for national security at The Heritage Foundation Peter Brookes break it down in CNN's virtual room.