Law enforcement officials say a package with white powder was sent to Congressman Weiner's Queens office today. A preliminary review shows the letter in part complained about the historic health care legislation passed by Congress this week, according to the source. NYPD and FBI spokesman are only confirming that they are responding to the scene. Check back here for frequent updates on this breaking story. The package sent to Weiner's office may be the latest in a series of threats directed against Democratic Congress members who voted to overhaul the U.S. health care system.

http://www.nbcnewyork.com/...

Also Roll call is reporting concerns about the safety of the Senate parliamentarian

http://www.rollcall.com/...

"Tea party protesters are reportedly planning a protest at the home of Senate Parliamentarian Alan Frumin later this week, prompting Senate Sergeant-at-Arms Terrance Gainer to work with local law enforcement officials to ensure Frumin's safety. Gainer said Wednesday night that while neither Frumin nor his family have been threatened, activists have discussed protesting at his house."

The GOP has to come out and condemned this acts forcefully.

Update: Weiner's Statement