By Luc Cohen NEW YORK (Reuters) -There was “nothing nefarious” about former private equity executive Tom Barrack’s ties with United Arab Emirates officials, Barrack’s defense lawyer said during closing arguments on Tuesday, denying prosecutors’ charges the onetime ally of former U.S. President Donald Trump was an illegal foreign agent. Randall Jackson, Barrack’s lawyer, said there was no evidence Barrack agreed to act as a UAE agent during either of his two 2016 meetings with UAE national security adviser Sheikh Tahnoun bin Zayed al-Nayhan, the second of which took place during a bike ride in …