US President Biden is primed to add another surge of stimulus to boost his ‘Build Back Better’ agenda in the coming wake of Covid-19. Unlike the $1.9 trillion aid package to vulnerable people and businesses that was passed several weeks ago, the new pair of proposals could inject more than $3 trillion into the country’s long-term economic development, with reforms focused on a transition towards net zero emissions and improving America’s ability to compete in emerging technologies like electric vehicles. With new documents starting to fill in some of the blanks, the new stimulus can be seen as split into two fairly even chunks: half focusing on ‘domestic priorities’ including things such as extending the child tax credit for several…