Complex sentence: Like his father, Marc Morial made an attempt to amend the city charter in order to allow himself to run for a third term as mayor in 2002, but the effort failed with 61% of voters rejecting the amendment.
Split into simpler sentences: Like his father, Marc Morial made an attempt to amend the city charter in order to allow himself to run for a third term as mayor in 2002. However, Morial's effort failed, with 61% of voters rejecting the amendment.