Frustrated liberals want more from Obama Published June 08, 2012 | Associated Press They are trying to be hopeful, but the Democratic Party's most passionate voters are struggling to hide their frustration with President Barack Obama. Republicans may attack the president as a big-government liberal, but many liberals meeting Thursday at Netroots Nation -- an annual convention likened to "a giant family reunion for the left" -- argue that Obama hasn't fought hard enough for progressive priorities on taxes, health care and the economy. Even more problematic for the president is this: With the election just five months away, some...