Felix Dilone

[Felix Dilone @flexforce]

liquid metal or rubber can then come over the top of that to create a seal
alumminum perhaps

[Felix Dilone @flexforce]

@wolfblitzercnn
gravel added on to mud clay will make harder substance causing a block that can maybe withold more presure han just mud clay

[Wolf Blitzer @wolfblitzer]

I am heading to studio to anchor CNN's special coverage around Obama's news conference which is about to begin.