And we see the kind of press coverage that kicks in, the kind of investigations that kick in, the kind of stories about how the White House is or is not bearing up under this kind of pressure.

NPR: Week In News: A Rough Week For The White House

Hydraulic fracturing pumps many thousands of gallons of mainly water and sand, with a few chemicals, at high pressure into tight gas-bearing shale deposits (hardened muds), creating cracks that allow gas to flow back up the well to the surface ( Shale Shock).

FORBES: The Fracking Solution Is A Good Cement Job

What will have a much bigger bearing on whether England secure a first Grand Slam since 2003 will be whether their inexperience means they freeze under the pressure.

BBC: Six Nations: Jeremy Guscott on Ireland v England