This is interesting: an unsuccessful lawsuit can mean Gore wins!
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http://www.nytimes.com/2000/11/10/politics/10DATE.html
#
# Dec. 18, the day that presidential electors are to meet in 50
# state capitals and the District of Columbia, may produce a
# political crisis if Florida's 25 votes are still in dispute.
# But the crisis will not be constitutional, scholars say, for
# the Constitution enables a president to be chosen even if a big
# state like Florida does not vote.
#
# The Constitution requires only that a winning candidate have
# the votes of "a majority of the whole number of electors
# appointed." If Florida's votes are not resolved by then, or if
# a legal restraining order bars Gov. Jeb Bush from filing a
# certificate listing Florida's electors, then Mr. Gore has enough
# votes from other states, if current vote totals stand and if
# his electors keep their pledges, to reach a majority of the 513
# electors actually appointed.
#
# In either of those cases, or if either Mr. Gore or Mr. Bush gets
# Florida's votes, the House of Representatives would have no role
# in choosing a president, other than to participate in a Jan.
# 6 ceremonial counting of the votes in a joint session with the
# Senate.