Complex sentence: Anchorage Mayor Mark Begich (son of the last Democratic Rep. from Alaska, Nick Begich) was courted by both the Democratic Congressional Campaign Committee and the Democratic Senatorial Campaign Committee, but in February 2008 announced the formation of an exploratory committee for the Senate seat.
Split into simpler sentences: Anchorage Mayor Mark Begich (son of the last Democratic Rep. from Alaska, Nick Begich) was courted by both the Democratic Congressional Campaign Committee and the Democratic Senatorial Campaign Committee. In February 2008, he announced the formation of an exploratory committee for the Senate seat.