The problem with Twitterati isn't so much oversharing as undercaring. Laurel Touby's apartment woes, Lockhart Steele's porn name, and Penelope Trunk's divorce bill are as good as the media elite's tweets get!

In the annals of vetting, this will go down as the most laughable miss ever: Vivek Kundra, the D.C. official tapped by Obama to run government technology, pleaded guilty to a theft charge in 1997.

Can you destroy — or cement — your professional reputation in 140 characters or less? On Twitter, it's easy! Watch and learn from ABC's Jake Tapper, ex-Wonkette Ana Marie Cox, VentureBeat's Eric Eldon and others: