The feud between Sarah Palin and former son-in-law Levi Johnston continues. Levi appeared on 'Real Time With Bill Maher' (Fri., 10PM ET on HBO). On the show, Johnston discussed his campaign to become the new mayor of Wasilla, Alaska. Levi also dished about his relationship with Bristol Palin ... and shared his feelings about Sarah Palin.

Bill Maher wanted to know whether Johnston was still in contact with Bristol Palin. Levi was pretty nonchalant about the whole thing. This was his response: "We're friends." The host was surprised that the young man no longer had feelings for Bristol.

Levi took a break from acting blasé -- in order to confess that he was cheering for Bristol on 'Dancing With the Stars.' That's very polite, coming from a jilted lover.

Next, Levi's discussed his political campaign. To become the next mayor of Wasilla, Johnson must overcome a number of hurdles ... including the fact that he doesn't have a high school diploma. But Levi is in a feud with Sarah Palin -- a former mayor of the town -- which might create an even bigger problem. Maher said this to Levi: "[Sarah's] a hostile person, is she not?"

"That she is," Levi replied. The other guests were vaguely horrified that Levi called Sarah "hostile." But Bill defended Johnston, saying that he was just being honest.