Of Note (4/5/08)

1. Warren Cole Smith, "Divided We Stand."

2. Philip Klein, "The Barr Threat."

3. David Weigel, "Bob Barr Expected to Launch Libertarian Presidential Bid on Saturday."

4. Stephen Dinan and Ralph Z. Hallow, "Barr Bid Could Hurt McCain."

5. John Gizzi, "McCain Veepstakes: Old School Sanford."