ANCHORAGE, Alaska (Reuters) - The elder son of former Republican vice presidential nominee Sarah Palin was in jail on Sunday facing assault and burglary charges in her home state of Alaska. Track Palin, 28, appeared in state court in Palmer, Alaska, earlier in the day on a felony burglary charge and misdemeanour assault and criminal mischief charges, court records showed. The records indicated all the charges involved domestic violence. It is not clear whether he entered a plea to the charges. His legal troubles have prompted his mother in the past to question the support available for military veterans like...