Pitch assessment: a batter's track

England had the best of the opening day of the 5th and final Ashes Test with Harry Brook unbeaten on 78 and Joe Root on 72. But rain truncated the day with bad light and rain allowing only 45 overs. We hear from Brook plus Simon Mann is joined by Michael Vaughan, Phil Tufnell and Jonathan Agnew plus Eleanor Oldroyd talks to Glenn McGrath at the start of the Pink Test.