»The cloverleaf is the most popular flower.

Although a spotty-faced fifteen year-old like me could spot the fatal flaw ("weaving area? Why, that's stupid") in the cloverleaf design, only recently have engineers begun to reassess the stupid symmetry of America's national flower.

Now, transportation engineers recommend cloverleaf interchanges only for rural regions where traffic is light. But that suggestion comes too late for Southern California, where at least two dozen cloverleafs contribute to congestion on major freeways. Moreover, the state's budget crisis has ensured that only a few of the interchanges will be replaced in the next decade.

And while we're at it, get me off of this English Roundabout!