and each day has the
potential to influence
ones that come after
something can be weak
and considerable force
… and each day has the potential to influence the ones after.
Something can be weak and a considerable force in politics or culture at the same time; someone can be losing and influential at the same time.
These things are compatible.
In the article Donald Trump Is Weak. And Powerful. Now What? by Katherine Miller, who is a staff writer and editor in Opinion page of the New York Times.