The progress illustrated with the demographics changes, etc. are on what we should be focused.
Government wheels never turn swiftly except during massive upheavals and revolutions. Incrementalism is usually the way things work and the trend is in our direction.
I think we are in an age where we expect to get everything right away. If we send an email, the recipient usually gets it within seconds. We have information on demand. We can travel to the other side the world in around a day.
The time is coming when the Democrats have a lock on the White House and the kind of senate and house that FDR enjoyed will be a regular occurrence (70-75% control of both) and then even more centrist Dems will not be able to hold one of the Houses hostage to prevent progressive legislation from being passed. We are 8-20 years away from that.
Considering complete Republican control of government as recently as 2005, in politics, that is a very fast change. It doesnt seem so to people in the information age, but it is.