Conversation so far:
Who does moe's voice on the Simpsons
Hank Azaria voices Moe Szyslak in The Simpsons.
which other voices of Simpsons characters does Hank Azaria provide
Hank Azaria also provides the voices for Apu Nahasapeemapetilon, Chief Wiggum, Comic Book Guy, and many others.
does Hank Azaria still provide the voices in the Simpsons
Actor Hank Azaria will no longer voice the Indian character Apu Nahasapeemapetilon in The Simpsons, more than two years after accusations of racism marred the long-running animated series.

Question: what started the controversy
Self-contained rewrite: what started the Apu Nahasapeemapetilon controversy in the Simpsons