In Warhol's days everyone was famous for 15 minutes, now everyone is famous for 15 blocks. Two twentysomethings have recently risen the bar, however, by getting a NYMag piece profiling their neighborhood "fame." These two ladies (typically stationed at 90 Charles Street) aren't helping out the community, or even talking to anyone but themselves, they're simply sitting on a stoop. All day, every day, winter, spring, summer and fall. The long-time friends moved here on......