Jack,
The leader is usually at the head of any line, or 'first'. 
The whole point is in putting American lives, jobs, homeland and security above any other nation  is not selfish, but sensible.  How on earth can one love ones  neighbor as themselves  if they  don't love themselves, first?  If one has self-loathing they usually treat others as poorly as they feel. A strong, happy, secure and prosperous America is good for us AND the whole world.
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I've been around self-hating people and it's no fun.  They punish themselves and worse, they punish those closest to them. They usually abuse drugs and booze in a selfish desire for pleasure and drag themselves and anyone close to them into a deep hole.