WASHINGTON - Sen. Joe Lieberman's primary defeat Tuesday night came at the hands of Democratic voters angry over the war in Iraq and demanding that lawmakers stand up to President Bush rather than stand with him. It wasn't a polite message they sent their three-term senator, a former vice presidential running mate who fell to anti-war challenger Ned Lamont. It was an eviction notice, served by an electorate that has grown remarkably sour about the course their country is on. That makes the result both an opportunity and a challenge for Democrats nationally as they head into a fall campaign...