A spokesman for Rep. Rob Andrews won't disclose who attended meetings with the New Jersey congressman during a trip last year that has become a point of contention for one watchdog group.

Citizens for Responsibility and Ethics in Washington said this week that the Federal Elections Commission should look into the Democrat's trip to California in November. Disclosures show Andrews used nearly $12,000 in campaign money on the trip and raised $5,000 in donations.

It coincided with Andrews' 16-year-old daughter's music  recording session in Hollywood.

Andrews' spokesman Fran Tagmire says the campaign won't say who attended any of the meetings, to respect the privacy of friends and supporters.

Tagmire said Tuesday that Andrews raised funds and had meetings on higher education, foreign policy, e5ntertainment and the legal industry.

(Copyright 2012 by The Associated Press. All Rights Reserved.)

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