Elements of the Survival Research Laboratories, a “performance art group” active in San Francisco, just got their prank on last night by changing a substantial portion of the street signs on Bush Street to “OBAMA,” in honor of the inauguration of our 44th President.
From END BUSH, at the end of Bush Street near Presidio (as seen last year):
To this, as seen in the cold light of day:
Click to expand.
[UPDATE: Apparently, someone speaking on behalf of the SFPD feels these alterations are not "life-threatening."]