The reporter is an editorial page editor who's been smearing Heinz
Apparently he was putting words into her mouth, asking her why she called something "un-American." She said, "I didn't say that" many, many times and eventually told the guy to "shove it." The right-wing media is going to have a field day with this, I'm sure. Wait for the spin about how she's a loose cannon or something.
Of course, Dick Cheney can tell a senator to "**** off" on the senate floor, and it's no big deal, but the wife of a candidate tells a reporter who is hassling her to "shove it" and it will be a big story.