Spurs have scored zero goals in their first four Premier League games this season. So why are Roberto De Zerbi's side struggling to find the back of the net despite their £300m summer outlay?Emma Paton is joined by David Ornstein and James Horncastle to discuss why they're misfiring in front of goal. Tottenham correspondent Jack Pitt-Brooke also drops by to discuss the issue.David also answers que… 