On July 6, Michigan Congressman Thad McCotter resigned from the U.S. House. See this article about the uncertainty over how to fill his seat. It appears state law requires that a special election be held on November 6, 2012, to fill the remaining two months of the term.
Candidate/incumbent rank order lists for replacements.
TOTAL danger from a chance for a WW III type Pearl Harbor attack on D.C.
— i.e. chance that ALL Congress folks get killed at the same time by some EVIL folks
– or even divine intervention – the Capitol dome/roofs collapse on the gerrymander monsters in a divine force 20 earthquake.