The fourth alternative is based on a kindergartner’s question to the president, which Obama reported as part of his speech. That one is admittedly a stretch. It’s included for the benefit of an audience of two, perhaps three, local Ann Arbor readers who might crack a smile when they read it. [For those of you who don't know, Ann Arbor is building a "volcano" in the center of its downtown.]

We're not really sure what this is, but we saw it around Ann Arbor and wanted to find out more.