Former Republican presidential candidate Nikki Haley is under active consideration by Donald Trump's campaign to be his running mate, news site Axios reported on Saturday, citing unidentified people familiar with the situation. Trump could pick Haley if he were convinced she could help him win the presidency, avoid a potential prison sentence and cover tens of millions in legal bills if he loses, the report said. Haley, the former South Carolina governor and a former U.S. ambassador to the United Nations, ended her log-shot challenge to Republican presidential frontrunner Trump in March. She said it was likely Trump - who...