Do vice-presidential choices issue?

.SHORTLY AFTER introducing his compete the Autonomous nomination in 1960, John F. Kennedy mentioned: “I don’t recollect a single situation where a vice-presidential applicant supported an electoral vote.” Still, the north-easterner decided on Lyndon Johnson as his running-mate, hoping that the politician from Texas will help him in southern conditions. Johnson tore across the South in a train nicknamed the LBJ Express, arriving at rallies in a ten-gallon hat to the stress of “The Yellowish Rose of Texas”.

After he succeeded, Kennedy accepted that “our team could not have actually carried the South without Johnson”. That Johnson “delivered the South” is actually right now acquired knowledge. However how much distinction do vice-presidential selections actually create in political elections?