Facebook launched the ThreatExchange last week as a way for companies to share information they gather about cyber threats. It’s unclear if the U.S. government or law enforcement will get a seat at the table. The company got over 100 requests from other companies to participate in the program, Facebook’s chief security officer says. President Obama has pushed for more cyberthreat information sharing between companies and the government. The idea was borne more than a year ago when Facebook, Twitter, Yahoo and others were targeted by a malicious botnet.”]