Change on the hill

National Journal tells why President Obama wasn't saying goodbye to working buddies at his final State of the Union address.
Only 185 of the 435 mem­bers of the House were in Con­gress when Obama was a sen­at­or; 250 of his former col­leagues on that side of the Hill have de­par­ted. In the Sen­ate, only 45 of the cur­rent mem­bers served with Obama.
Why the turnover?
Lots due to voting with Obama in his first two years.
They were not invited to return to their positions.