We don't really go in for big family dinners but Scottish people are famously confrontational. It's a cultural thing so maybe we don't need to have them to clear the air. Also traditional family food isn't as nice here so there's no payoff for traveling hundreds of miles.
To be elected president you have to do more than tear down your opponents. You have to give the American people a reason to vote for you - a reason to hope - a reason to believe that under your leadership America will be better.