Ahead on the 3/18 Maddow show

Updated
 

Tonight’s guests include:

Col. Lawrence Wilkerson (Ret.), former chief of staff to Secretary of State Colin Powell

John Brabender, senior strategist for the Rick Santorum 2012 campaign

Here’s senior producer Cory Gnazzo with a preview before you can even even ask: 

Cory Gnazzo, Rachel Maddow Show Guest List and Cory Gnazzo

Ahead on the 3/18 Maddow show

Updated