Michael Avenatti does not want U.S. prosecutors to present evidence at his criminal trial this month that his alleged financial straits, including an inability to pay child support, gave the celebrity lawyer a motive to extort Nike Inc. In a filing on Friday, lawyers for Avenatti said it would be "so prejudicial to Mr. Avenatti as to deprive him of a fair trial" for prosecutors to suggest he was more than $15 million in debt, a claim Avenatti "vehemently disputes," when he allegedly tried to extort up to $25 million from Nike. Avenatti became famous representing porn star Stormy Daniels...