Union officials did not respond to a message seeking comment.

He did not immediately respond to a message seeking comment.

White House officials did not return phone calls and e-mail messages seeking comment.

A message seeking comment from the firm was not returned yesterday.

The company did not respond to a message left yesterday seeking comment.

The company did not reply to an e-mail message seeking comment.

Task force officials did not respond to messages seeking comment.

The company did not respond to several messages seeking comment yesterday.

He did not reply to an e-mail message seeking comment on Friday.

Rodriguez did not respond to messages seeking comment on the book.