They will keep coming deep into May – fresh wing beats descending unarmed and unintimidated.

But there’s a narrative to be maintained here – that of the feckless president who leaves international adversaries dangerously unintimidated.

Chart Westcott, a Texas biotech investor who donated $200,000 to Walker’s fund-raising Super PAC, Unintimidated, said he was already fielding calls from other campaigns.