You may need to read that memo again. Libby was "indicted" for being less than truthful to a grand jury, not for leaking a name.
No one has been indicted for "leaking" the name of a CIA clerk who was btw not a secret agent.
Stick around and you'll get a better education than you're accustomed to over at Dummies Unhinged.
Trust me.
See my reply to Shermy below. Are you suggesting that the federal prosecutor was not investigating the leak of Plame's identity?