By Luc Cohen NEW YORK (Reuters) -The jury in lawyer Michael Avenatti’s criminal trial said on Thursday it was struggling to decide whether he had defrauded porn star Stormy Daniels, who he represented in her legal battle with then-President Donald Trump. Jurors reported being unable to agree after only four hours of deliberations over two days in federal court in Manhattan. It would be rare for a judge to deem a jury deadlocked and declare a mistrial so quickly. U.S. District Judge Jesse Furman directed jurors to continue their deliberations, which began Wednesday afternoon. Avenatti, 50, is c…