Clinton Goes Nuclear: New Ad Tests Obama  —  ABC News' Nitya Venkataraman: Closing in on the March 4 contests, Sen. Hillary Clinton debuts a campaign ad today with ominous undertones.  —  “It's 3:00am and your children are asleep,” the voice over says.  “There's a phone in the White House, and it's ringing.

State Democrats say Clinton camp may sue  —  Legal action could disrupt or delay caucuses, party says  —  AUSTIN — The Texas Democratic Party warned Thursday that election night caucuses scheduled for Tuesday could be delayed or disrupted after aides to Hillary Rodham Clinton threatened …

Opponents slam Obama after CTV story on NAFTA  —  Allegations of double talk on NAFTA from the Obama and Clinton campaigns dominated the U.S. political landscape on Thursday.  —  On Wednesday, CTV reported that a senior member of Barack Obama's campaign called the Canadian embassy within …

New Clinton ad is the scariest of cycle  —  Clinton is up with the scariest ad of the cycle, one that echoes, in a soft-focus way, some of President Bush's 2004 campaign spots.  —  It features a child sleeping in bed and an unnamed emergency ringing the White House phone …

John McCain ‘Accidentally’ Calls Himself A “Liberal Republican”  —  At a town hall meeting in Richardson, Texas, Thursday afternoon, Sen. John McCain, R-Ariz., made a gaffe that will surely provide myriad conservative radio talk show hosts confirmation of their views, by accidentally calling himself a liberal.

Reuters/C-SPAN/Houston Chronicle Poll: Obama Builds Lead Over Clinton in Texas, But Dem Race Too Close To Call in Ohio...  Zogby News Releases

Clinton seeks to regain the spotlight  —  There was a time not long ago when Hillary Clinton dominated the discourse in both parties' presidential contests.  —  Now, she's struggling to get her message out and remain part of the campaign conversation as the media and her remaining rivals …

Hope and fear  —  Democratic economic policy sounds worryingly populist  —  FOR a man who has placed “hope” at the centre of his campaign, Barack Obama can sound pretty darned depressing.  As the battle for the Democratic nomination reaches a climax in Texas and Ohio …

Did ‘SNL’ Go Beyond the Pale With Fauxbama?  —  Lorne Michaels Defends Casting Of Non-Black Man in Sketch  —  When Barack Obama announced his candidacy for president last year, some observers questioned whether the senator from Illinois was “black enough” to embody the hopes and aspirations of African Americans.

Police: Deadly toxin found at Las Vegas hotel  —  (CNN) — Police in Las Vegas, Nevada, are investigating the discovery of what they said is the deadly poison ricin in a hotel room.  —  Authorities were called to an Extended Stay America hotel around 3 p.m. PT Thursday after a man brought …

Copycat.  —  I feel bad about what I'm going to do here.  —  I've had a lot of fun at Tim Goeglein's expense over the last few months.  Mean-spirited fun, certainly, but my problem with him has always been one of personal taste.  In his columns for The News-Sentinel, my old newspaper …