A retired French professor sent dog feces to her congresswoman's office after becoming angry with receiving too many mailings and her lawyer says she had a constitutional right to do it. Kathleen Ensz faces a misdemeanor charge of "use of a noxious substance" after taking dog feces from her backyard, wrapping it in a political mailer from Rep. Marilyn Musgrave, and leaving the putrid package at the Republican's office, according to court documents. Ensz, a Democrat, was angered by repeatedly receiving mailings from Musgrave. Her lawyer calls the poo delivery a form of free expression, protected by the First Amendment....