The president last might gave a super fantastic speech pointing a lot of terrific accomplishments as well as recognizing some tremendous people. I think it would be mentally healthier to focus on that rather than focusing on Pelosi and Romney for a few reasons.
First, both of them want nothing but attention — your attention so the cruelest thing you can do is just ignore them.
Second, you really can’t hate someone else without introducing toxic waste into your own mental health which can rather quickly bleed over to your physical health.
TL; DR - Focus on the good