Update: USBC on Saturday confirmed the 900 in this Twitter post:"18-year-old two-hander Jimmy Schmitzer rolled 900 last night in Norco, CA. Formal approval pending. Would be 21st in history." Here is the USBC news release on Schmitzer's 900 posted Tuesday. And here is a YouTube video of the last three strikes of Schmitzer's 900. I saw some reports Saturday morning at various places on the Internet about another 900 series being shot Friday night, so I posted a question asking for details on...