What we learned??? The ends justifies the means. Lie cheat whatever to win... Lie about your opponent... Bald face lie.. Tell everyone he is a liar, Cheat, killer, whatever to win!!!
Precisely! When you're fighting gutter slime like Hussein, forget Marquis de Queensbury rules, and when he spouts lies in his ads, respond immediately and forcefully!
One other thing - the primary battle was way too long. Republicans grew bored and tired of the sniping and it provided way too much ammunition for the dims.