How to breadboard an ALU in two easy steps

Here's a video which demonstrates a very simple method for breadboarding an 8-bit ALU.

The key is preparation.  You have to figure out how long all of your wires will be, cut them to size, and then put them in a pile.  Pile organization is also important, as you have to put the wires you'll use first on the top, and the ones you'll use last on the bottom.

Also important is the choice of tool you use for IC installation.