He spoke at a news conference called to support the bill.

He spoke at a news conference and in an interview later.

He spoke at a news conference in Washington, where the report was released.

She spoke at a news conference today discussing the new research.

He spoke at a news conference that followed the Mayor's.

He spoke today at a news conference after a brief, closed meeting of his committee.

She has been invited to speak at conferences and study days all over the country.

She has spoken at international conferences about technology and its use in business.

He spoke at a news conference last week to try to suggest ways to keep the ball parks open.

He spoke at conferences about a children's voting rights act.