Remember all the fun everyone had watching Palm and Apple's legal wordplay regarding multitouch patents? If you missed it, Apple delivered a very thinly veiled threat to Palm, flouting how it had touch-sensitive intellectual rights up the wazoo to protect itself from the competition. Apple, though, may be due for a heaping helping of humble pie, as it's now on the receiving end of a lawsuit from Elan Microelectronics claiming infringement on two patents -- both involving multitouch. Elan, best known for its keypads found in E