Al Gore's Daughter -- An Inconvenient Marriage

5/22/2009 7:46 PM PDT BY TMZ STAFF
TMZ has learned Al Gore's second oldest daughter is pulling the plug on her marriage.

Kristin Gore filed for divorce from her husband Paul Cusack yesterday. In the papers, filed in L.A. County Superior Court, Kristin cites irreconcilable differences.

The couple has been married since 2005 -- they have no children together.