NEW YORK — Anthony Weiner is a former congressman and mayoral candidate, but he’ll always be known as a “sex addict.” That’s the feeling as Weiner, who went to jail for sexting an underaged girl, attempts a comeback on talk radio. Asked if he had come clean with his son Jordan, who is now 10, Weiner told his friend Arthur Aidala on “The Answer” on AM 970, “I have trouble explaining it to adults. Now that I’m out there dating, trying to explain to someone what the heck happened is a lot. For a 10-year-old, it’s even more complicated.” Weiner calls his ex-wife Huma Abedin “an amazing woman” and …