The din of Gaza followed Obama's Middle East envoy, George Mitchell, as he conducted a listening tour. Arab leaders wonder why their peace plan remains untouched.
Readers write about how the US government can promote green energy, why the BBC should air a commercial requesting aid for Gaza, and how Israel provokes violence from Hamas.
Israel targeted tunnels again Wednesday with airstrikes.
Hassen Chalghoumi, from Tunisia, pioneered a religious exchange in France.
Israel temporarily closed its crossings into Gaza Tuesday after a soldier was killed by a roadside bomb. After the attack, Israeli forces killed one Palestinian and wounded a senior militant.