Adam Frank

There are some authors you go to for good stories — and others you go to for good ideas.

Then there are those who do both, giving readers complex characters, richly imagined stories and, finally, ideas that reach beyond the narrative to change how you see the world.

So, it's Election Day here in the United States.

Every presidential election seems important, but I am sure that I am not alone in thinking this one is different, maybe more important than most.

So, please, go vote.

When you're done, I give you (once again) Carl Sagan's beautiful "Pale Blue Dot" speech to put it all in perspective.

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ARI SHAPIRO, HOST:

Marvel's latest superhero movie, "Doctor Strange," worked its magic on audiences over the weekend and led the box office.

(SOUNDBITE OF FILM, "DOCTOR STRANGE")

As I write this, California remains deep in its fourth year of drought.

One hundred percent of the state of Nevada is in drought — with 40 percent in the extreme drought category. Over to the southeast, 93 percent of Arizona's territory is in some form of drought. Even Washington state, far to the north, finds all of its territory in drought and 32 percent of its land in extreme doubt.