It seems to me (as an outside observer), that this normally happens for the two years after a new President is elected.
Normally they don't get 60 in the Senate though, which means that the system is working at intended (you need to stay consistently popular for 6+ years to start swinging the Senate).
Normally they don't get 60 in the Senate though, which means that the system is working at intended (you need to stay consistently popular for 6+ years to start swinging the Senate).