"Amidst the eulogies of bliss
Who will know now what I know about you?
Now that history's a flowery cancerous mess"
This refers to how at Nixon and JFK's eulogies, no one mentions the bad crap they did (Watergate [nixon], Vietnam war covert operations [both], causing the Cuban Missile Crisis [jfk], voter fraud [JFK, maybe nixon too], etc), everyone only remembered the good.
Oh, and I forgot...
"Amidst the eulogies of bliss Who will know now what I know about you? Now that history's a flowery cancerous mess"
This refers to how at Nixon and JFK's eulogies, no one mentions the bad crap they did (Watergate [nixon], Vietnam war covert operations [both], causing the Cuban Missile Crisis [jfk], voter fraud [JFK, maybe nixon too], etc), everyone only remembered the good.