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just as classes got out. Thousands of students spilled onto the commons, most 
heading home or to lunch. The soldiers’ commanding officer misinterpreted the 
moment and thought the extra students were joining the protest. He ordered 
the students to disperse immediately. Over the next half hour, the guardsmen 
lobbed tear gas canisters into the crowds of students and marched over the 
commons, forcing the students backward. A few students began hurling rocks. 
As the confusion intensified, one knot of soldiers knelt in the grass, aimed their 
M-15s, and shot sixty-one rounds. The soldiers killed four students—one more 
than 200 yards away—and injured nine others. Subsequent investigations, 
including one by the Federal Bureau of Investigation (FBI), established that 
the guardsmen had not been in danger and that more use of tear gas would 
have finished dispersing the crowd. Furthermore, the four students who died 
had neither been taunting the soldiers nor throwing stones at them.
Just 
barely out of college himself, Al Gore, in his GI drab green, could 
only watch the news and sympathize. About 5 million university and college 
students across the nation spilled onto quads and streets, and by the end of 
May 1970, more than 900 universities had closed their doors for the remainder 
of the term. President Nixon had not yet done as promised in Vietnam. He 
had reduced the army’s presence on the ground to about 225,000 men, but 
he had increased the air war and had invaded Cambodia, a nominally neutral 
country. More than 100,000 professors joined their students in protest. In 
solidarity with the  student strikes sweeping through  the States, American 
GIs in Vietnam refused to fight. Pandemonium reigned in America. Nixon 
pulled the troops out of Cambodia, hurried the rate of troop withdrawal from 
Vietnam, and emphasized his policy of “Vietnamization,” whereby the South 
Vietnamese army itself would be responsible for defending South Vietnam. 
Congress nullified the Gulf of Tonkin Resolution. Student activism worked, 
but even as the United States lurched toward withdrawal, Al Gore headed into 
Vietnam, where enlisted men were known to “frag” (i.e., toss hand grenades 
at) officers who ordered them into worthless reconnaissance missions. Perhaps 
as many as one-fourth of the soldiers in Vietnam were smoking marijuana, 
and many were using heroin. Gore was heading for dispiriting times.
P
rivate Al Gore served five months in Vietnam as an army journalist, mainly 
attached to the Army Corps of Engineers, which was building roads and bridges 
near Bien Hoa. Casualty rates remained high in Vietnam throughout 1970 and 
1971, but only about 15 percent of military personnel ever served on the front 
lines, which were ragged and ill defined in the jungles of Southeast Asia. Gore 
seems to have genuinely wanted to be treated the same as any other enlisted 
man in the army, but he was an ex-senator’s son, and at least one team of 
biographers—David Maraniss and Ellen Nakashima—seem to think Gore’s 
immediate superiors did what they could behind his back to keep him safe.
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