Blumenthal lied about serving in Vietnam. He cannot be trusted, even about something as sacred as that.
http://dailycaller.com/2010/10/05/richard-blumenthal-lied-and-it-should-matter/
“When the scandal first broke, Blumenthal spoke to veterans at a VFW hall in West Hartford, where he called his lie “absolutely unintentional.” “On a few occasions, I have misspoken about my service, and I regret that, and I take full responsibility.”