The best the GOP has to offer?

Vernon Robinson, Republican candidate for North Carolina's 13th Congressional District, is at it again. First there was his highly offensive and short-lived Twilight Zone commercial.

Now he's stereotyping Mexicans and scapegoating homosexuals while attacking Democratic incumbent Brad Miller.

Robinson has already run a radio ad that features mariachi band music playing in the background. "If Miller had his way," says the announcer, "America would be nothing but one big fiesta for illegal aliens and homosexuals."

Apparently nothing is off-limits for this piece of crap:

Among many other things, the literature calls Miller a "childless, middle-aged personal injury lawyer."

Miller said he was "stunned" by the letter.

"I think that should not be part of what you agree to take on if you want to be involved in politics -- that kind of personal attack without any basis," Miller said.

Miller said his wife of nearly 25 years, Esther Hall, could not bear children because she had endometriosis and then a hysterectomy at age 27 before the couple were married.