The speech, however, failed to quell the antimilitary sentiment that has exploded in Cairo and other Egyptian cities in recent days.

WSJ: Egypt Heads for Showdown

Some art historians now prefer to view Pop as a subversion of American values, to read, say, Billy Al Bengston's chevron images as antimilitary or Roy Lichtenstein's cartoons of jet fighters as antiwar, when opposite interpretations are equally sensible, if not more so.

WSJ: A Dissonant Side of Pop | Dark and Deadpan: Pop in TV and the Movies | Whitney Museum | By Richard B. Woodward