Senator Kerry, of Massachusetts, plans his first trip on Sunday.
Senator John Kerry of Massachusetts finished third with 16 percent.
Senator John Kerry of Massachusetts is also seriously considering a bid.
Senator John Kerry of Massachusetts proposed a similar plan during his presidential campaign.
Senator John Kerry of Massachusetts raised $2.5 million in the quarter, his campaign said.
Senator John Kerry of Massachusetts issued a statement saying that the trip was "the right thing to do for our country."
Senator John Kerry of Massachusetts, the party's candidate in 2004, is also considering joining the race.
Bush would go on to win the general election over Senator John Kerry of Massachusetts.
Senator John Kerry of Massachusetts raised between $4.5 million and $5 million.
Senator John Kerry of Massachusetts is running for re-election this year.