NPR News

Chechens who allegedly were hoping to kill Russian Prime Minister Vladimir Putin planned to hide landmines along a route his motorcade often uses in Moscow, according to Russian TV, the BBC reports.

Good morning.

Our early headlines:

-- Will Killings Over Quran Burnings Lead To Faster Pullout From Afghanistan?

-- Santorum Defends Saying JFK Speech On Religion Makes Him Sick.

The latest on today's shooting at a high school in Chardon, Ohio, where five students were shot; at least one fatally:

Update at 2:15 p.m. ET. Student Who Died Identified:

On the eve of Tuesday primaries in Michigan and Arizona, Mitt Romney and Rick Santorum appeared to be tied in the Great Lakes state though the former Massachusetts governor likely had the momentum and looked to be significantly ahead in the southwestern border state.