Republicans beat Ayers drum

The Republican National Committee is getting even tougher in its language attempting to link Barack Obama to 1970s domestic terrorist William Ayers.

A new web video emphasizes incendiary quotes from Ayers, plus his hosting an event where Obama was introduced to Chicago political bigwigs as a state senator's chosen successor.

It approvingly quotes a Wall Street Journal opinion piece that says it's not "guilt by association" -- as Obama's defenders complain -- but "guilt by participation."

The presentation in the video suggests that the people were killed at the Capitol and Pentagon, but no one was hurt in those bombings. A 1970 pipe bomb did kill one police officer and injure another, but most of the Weather Underground's victims were its own members: an accidental explosion killed three.

And the video concludes by saying of Obama: "Career first, country second" -- drawing a direct contrast with John McCain, whose campaign slogan and vow is "Country first."