Because it's been so long since SFist marveled at the beauty of the unhinged, here's a fun video of a lady yelling randomly on BART, who turns her attention to the guy sitting next to her. The footage was captured this morning.

This is as good a time as any to remind you that there will be an Oscar Grant rally at the Fruitvale BART station starting at 4:30 p.m. It may cause some delays.