If you live the US, you need to vote. My grandfather used to say to me "You can only complain about the government if you voted". And the only way we are ever going to get a sane US government for the sane to go and vote. Don't know how? Your Guide to Voting
If you possibly can, vote via paper ballot. Electronic voting machines have serious issues and don't buy the argument that it will take weeks to count your vote. Canada has managed to vote via paper ballot for quite some time now and still delivers accurate results on the night of the election.