Saturday, April 6th 11:32 AM   Cannonade usually wouldn't have been in costume and about town this early on a Saturday. But he, like the rest of the Liberty League, had been on high alert the last few days. There'd been a number of suspicious thefts in the Freedom area over the last few days, and if the pattern held up, odds were the thieves weren't going to take a day off.    Midnight had been the first to notice the pattern. On Thursday night, at around 3 AM, several items went missing fr