Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
A look at Obama's immigration plan. Plus, how long Takata knew of problems with its airbags.
(CNN) – Entering the fourth week in the search for Malaysia Airlines Flight 370, search teams comprised of 10 aircraft and eleven ships scoured almost 98,000 square miles, looking for any sign of the plane. So far, nothing.
A new search will start soon, with the biggest challenge – the underwater search – still ahead. CNN's Tom Foreman reports.