How should the West react to Putin's full scale invasion?

<div>Vladimir Putin has launched an attack on multiple fronts across Ukraine. In a televised speech, the Russian leader announced a 'military operation' in Ukraine's Donbas region. <br> <br> Today, Boris Johnson has vowed to hit Russia with a 'massive' package of sanctions. But who will really suffer from these sanctions? And will it be enough to deter stop Putin in his tracks?<br> <br> All to be discussed as Katy Balls speaks to James Forsyth and Owen Matthews, <em>The Spectator's</em> Russia correspondent.</div>