The libfix -gate seems to be irresistible, trotted out for all sorts of public fusses; discussion here. Recent example, reported by Victor Steinbok on ADS-L:
According to MediaBistro, there’s now yet another -gate. Newly crowned NYC Mayor [Bill de Blasio] was caught on camera eating pizza with a fork, which is sacrilege in NYC. Appropriately, the affair has been dubbed “forkgate”, lack of coverup notwithstanding…
Like most -gate formations, this will surely be short-lived. Then Joel Berson suggested on ADS-L that Gate-gate is likely to come upon us,
for the scandalous way in which the former Secretary of Defense [Gates] has dissed the present VPOTUS
Previously coined for a silly British scandal involving David Cameron, detailed in 2012 here (among other places).
And then Larry Horn chimed in with some overlap portmanteaus involving -gate: