It seems obvious that the "should should drop" should be "should drop." But I am not absolutely sure.

Context: (The big news just available from NYT)

Chirac Seeks Way to Restart Iran Talks
By ELAINE SCIOLINO 23 minutes ago

As the U.N. opened its 61st General Assembly, France’s president said today that leaders should should drop their insistence that Iran halt uranium enrichment before talks begin.
Bush to Focus on Iraq and Mideast
just one should is needed