Feargal O’Rourke smiled when he heard Donald Trump’s plea to Congress to restore full tax benefits prized by business for fine dining and schmoozing. Trump has always sought full tax deductions for business meals and entertaining, and with restaurants feeling the force of the Covid-19 lockdown, Trump is reigniting the plan under the guise of economic stimulus. “It is probably only a matter of time before it is proposed here,” said O’Rourke, the managing partner of professional services giant, PwC. Yet, Trump’s offbeat proposal highlights an issue that has been weighing on O’Rourke’s mind in recent days – how to…