If past votes are any guide, turnout in this year's midterm elections could be about 40% of the voting age population. Australia and some other democracies take steps to require citizens to vote. CNN Opinion invited several political experts to discuss whether the United States would be better off if it had mandatory voting. The opinions expressed in this commentary are solely those of the authors.
A severe solar storm created a stunning display of light in the night sky over parts of the United States, Europe, Australia and New Zealand early Wednesday morning, spotted by those lucky enough to be awake in the wee hours.