Question: If global warming science has been settled for decades, why was Santer still writing about "searching for an anthropogenic surface temperature signal" in 2007?

East Anglia Confirmed Emails from the Climate Research Unit - 1178107838.txt

From: Ben Santer <santer1@xxxxxxxxx.xxx>
To: Phil Jones <p.jones@xxxxxxxxx.xxx>
Subject: Re: Multi-model SST detection results
Date: Wed, 02 May 2007 08:10:38 -0700
...
So I suspect, based on S/N arguments, that it's better to search for an
anthropogenic surface temperature signal over the oceans rather than the
land. Actually showing this might be useful.