Lyndon Johnson, his 44-state landslide in 1964 and Great Society notwithstanding, was by 1968 a failed president being repudiated in the primaries of his own party.

Lyndon Johnson was a profoundly insecure man who feared dissent and craved reassurance. In 1964 and 1965, Johnson's principal goals were to win the presidency in his own right and to pass his Great Society legislation through Congress.

It's Kennedy's war, Vietnam. Lyndon Johnson got all the flak, but it's Kennedy's war.

Lyndon Johnson faced some clear moral issues.

I sleep each night a little better, a little more confidently, because Lyndon Johnson is my president.

Like Lyndon Johnson, President Obama understands that timidity in a time of troubles is a prescription for failure.