I'm still shocked by last night's Lost but wanted to offer just a few quick thoughts about Veronica Mars . Yes, I succumbed to the temptation of watching this week's episode online at CWTV.com rather than waiting for the rescheduled telecast on KTLA on Saturday (don't worry, I plan to watch again, to keep up those all-important ratings numbers); I couldn't help myself. Still, this week's episode of Veronica Mars ("Debasement Tapes") was all about the guest star: Paul Rudd, who should by law be required to guest star on every television series I watch. Or to have a series of his own. Or, you know, release an album. The star of Clueless , Wet Hot American Summer , and The 40-Year-Old Virgin did not disappoint in his star turn this week as has-been rocker Desmond Fellows, whose band My Pretty Pony seemed an amorphous mix of 90s grunge bands like Nirvana and Mother Love Bone (who later became, yes, Pearl Jam). Rudd was fantastic as Fellows, turning him i