Kamala Harris’ big night helps Democrats reverse their fortunes

Vice President Kamala Harris gave a ringing speech that fired Democrats up to close the Democratic convention and this more or less picture-perfect convention came to an end. Harris will likely continue to strengthen in the polls as is typical after a convention and there is no doubt that the Democrats are in better shape now than they were if they had kept with President Joe Biden as their candidate. 

More than anything, what Harris has done was to bring back core Democratic constituencies including Black voters...