That’s probably the perception. Democrats have been in power for 4 years, things didn’t get better for a lot of people and then they say to vote for them for more of the same. Surprisingly that doesn’t help with voter enthusiasm. They’ll have more chance next time with messaging things won’t get worse with them after Trump mishandled stuff.
Voyager uses plutonium 238 which has a half-life of 83 years. So after 50 years, its fuel has decayed too much and it’s running out of power. The article didn’t make that clear.