Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
A look at one of the key Senate races: Sen. Mitch McConnell vs. Alison Lundergan Grimes.
(CNN) – There are complications and hefty costs to upgrading a plane's technology.
Though we live in an era when everyone is basically carrying tracking devices in their pockets, the airline industry still relies heavily on outdated tracking technology.
Journal of Transportation Security founder Andrew Thomas, author of "Soft Landing," breaks down the cost of upgrading the aviation industry's technology and GPS systems.
(CNN) - How, in the era of the NSA and with everyone basically carrying a tracking device in their pockets, did a giant plane get lost?
Truth is, the airline industry still relies heavily on outdated tracking technology. And what good are backstops anyway, when pilots or other individuals can turn them off?
Is there anything coming down the pike that can save lives that the airline industry is willing to pay for?
CNN's Athena Jones takes a look.
(CNN) - Investigators say they have uncovered key information about the sharp westward turn missing Malaysia Airlines Flight 370 took.
CNN's Evan Pérez has the details.
(CNN) – Vice President Joe Biden condemned Russian President Vladimir Putin's moves Wednesday.
"As long as Russia continues on this dark path, they will face increasing political and economic isolation," Biden said, speaking in Estonia.
Could that dark path lead to another Russian land grab? And where could Putin strike next?
The Heritage Foundation's Peter Brookes and Brookings Institute's Fiona Hill, author of "Mr Putin: Operative in the Kremlin," join CNN's "The Lead with Jake Tapper" to discuss.
Kuala Lumpur, Malaysia (CNN) - Investigators looking at the flight simulator taken from the home of Malaysia Airlines Flight 370 Capt. Zaharie Ahmad Shah have discovered that some data had been deleted from it, Malaysia's acting transportation minister said Wednesday.
What the revelation means is unclear. It could be another dead end in an investigation that has been full of them so far, or it could provide further evidence for the theory that one or more of the flight crew may have been involved in the plane's disappearance 12 days ago.