A different 1968

[Sir Mohamed]

An alternative history:

At the 1960 Democratic National Convention in 1960, Texas Senator Lyndon B. Johnson is nominated for president. He chooses his former opponent, Senator John F. Kennedy, as his running mate. The Johnson/Kennedy defeats Vice President Richard Nixon by a 0.2% margin in the popular vote and a 276-246 margin the electoral vote (Nixon carries Illinois too).

After his inauguartion, President Johnson pushes seccessfully for reforms in the tradition of the New Deal. He masters the Cuban Missle Crisis in 1962, with Vice President Kennedy playing the role of the administration's chief negotiator. JFK, who was only seen as a Sonnyboy without much practical political skills, gains political weight after his seccessfull efforts. He transforms the office of Vice President to the role as the real second-in-command.
In 1963, LBJ passes the Civil Rights Bill and he promises to enact the Voting Rights Act if he is reelected in 1964. After passing the civil rights agenda, the lives of LBJ are JFK are threatened by southern racists like the KKK. In late 1963, a sniper attack against both, the President and the Vice President, fails norrowly. After this event, the popularity of LBJ climbs to a record height. In 1964, the LBJ/JFK defeats Goldwater/Miller in a landslide, winning over 61% of the vote. After his reelection, LBJ continues to enact bold reforms, a series of civil rights legislation and an expansion of Social Security. While the president works tirelessly behind the scenes, the vice president campaigns publicly for the policies of the administration. However, he escalated the war in Vietnam. After being coucious for some time, Vice President Kennedy supports the war effort. His eyes are now on 1968; and he knows, angering LBJ would threaten his chances to succeed him. He's also loyal to the president, because the two man share the same agenda in domestic affairs.
 
In 1968, with LBJ's popularity in the mid- to low 40s, JFK is nominated for president. LBJ, who is term-limited, supports the Vice President for nomination and the election. JFK picks Senator Hubert Humphrey as his running mate. He promises to withdrew to troops from Vietnam and win an honourable peace without surrender to the communists. He also promises to continue and expand the Great Society programs of Johnson. Meanwhile, Republicans again nominate Richard Nixon, while Wallace does not enter the race. Nixon runs on the same platform than he did in real life.
Opinions and maps for this scenario?

Read my own estimation in a few days..