Joe Biden has ambitious plans for his next 100 days in office — but only if the summer curse doesn’t derail him. “Every president who’s smart focuses on a small number of priorities, their affirmative agenda and then they typically get knocked back on their heels by the world around them,” said Max Stier, president and CEO of the Partnership for Public Service. “The reality is that they’re having to fight fires on a whole lot of different fronts.”