"latimes:  Breaking: Top IRS official to plead the Fifth There's another twist in the ongoing scandal revolving around Internal Revenue Service staff improperly screening for conservative organizations applying for tax-exempt status.  Lois Lerner, the head of the exempt organizations division of the IRS who was scheduled to appear before the House Oversight committee tomorrow, will invoke the Fifth Amendment and refuse to answer questions. From a letter her lawyer sent to committee Chairman Darrell Issa (R-Calif.):  ""She has not committed any crime or made any misrepresentation but under the circumstances she has no choice but to take this course.""  Stay tuned to the ever-evolving IRS mess at Politics Now. Photo: Andrew Harrer / Bloomberg"