Implement BFS, DFS, Shortest Path, topological sort and Minimum Spanning Tree (bonus for union-find version).

FORBES: What Are Some Useful Technical Skills I Can Learn Within A Day?

Sort of a shade tree from the heat of the campaign.

NPR: Can Your Clothes Keep You From Voting On Election Day?

When we hear the door of the very last bookstore slam shut with the same sort of "sickening smack" that announced the chopping of the last Truffula tree, will the Once-lers of the digital world regret their destruction of the old literary habitat?

WSJ: The Bad! Bad! Bad! Biggering of Dr. Seuss | Postmodern Times by Eric Felten