Singapore’s Prime Minister Lee Hsien Loong on Wednesday conceded several shortcomings in the country’s Covid-19 response – including its handling of the surge in cases in migrant worker dormitories – but said these reflections were “wisdom after the fact”.In a wide-ranging address to parliament, Lee said “in the fog of war, it is not possible always to make the perfect decisions”.“Yet we have to decide and move. We cannot afford to wait. The key is to watch things closely, learn from experience…