TL;DW: Adam isn't worried because there will be opportunities to engage politically at the local level regardless of the presidential race results, and local engagement has given him confidence that positive change is not only possible but achievable.
F-Droid image gallery. So many useful features, but I use it mostly for automatic galleries and metadata tagging
Don't know about the first, but it could mean just a couple of "G's".
The latter is the signature for the key of C-Major, but more likely it refers to that key's relative minor, A-Minor, which is notated the same way.
…and it will happen.
He doesn't address this question IIRC. His focus is squarely on overcoming feelings of helplessness with direct action (meaning peaceful activism, that is). I think he obliquely mentioned big changes potentially happening but always returned to what one can accomplish in addition to voting.