Left-wing nostalgia dies hard, but can it survive the events of this week? It has been a tough 10 days for those who see current events through the prisms of Vietnam and Watergate...[snip] Historians may regard it as a curious thing that the left and the press have been so determined to fit current events into templates based on events that occurred 30 to 40 years ago...[snip] Journalists in the 1940s, '50s and early '60s tended to believe they had a duty to buttress Americans' faith in their leaders and their government. Journalists since Vietnam and Watergate have tended to...