For those of you who weren't listening in to Apple's earnings call today, you missed a prime moment of defensiveness when Tim Cook fielded a question about how the company plans to stay competitive amidst new entries from the likes of Google and, more recently, Palm. What seemed like an answer due to end with a "we've got some great new stuff on the way" slant, Cook dovetailed into how the company views its new smartphone competition. In his words:Q: "There are other iPhone competitors coming to the market: Android, Palm Pre. How do you think about sustaining leadership in the face of these competitors?"A: "It's difficult to compare to products that are not yet in the market. iPhone has seen terrific rating from customers. Softwa