A Presque Isle man who allegedly used social media to proposition minors pleaded guilty Thursday. Joseph Maile, 27, pleaded guilty under terms of a plea deal to one count of attempted sex trafficking of a minor, one count of enticement of a minor, and one count of attempted enticement of a minor, according to the U.S. attorney’s office. The FBI arrested Maile last May for attempted sex trafficking, following an earlier investigation at his Presq…