I find it sad that simply stating one's allegiance to our country and its values is viewed so negatively here. I'm proud to say the pledge.
One of my biggest issues with it (aside from the authoritarian nature of it being mandatory in many areas, including when I went to school) is, as a Catholic, we're forced to support idolatry by putting the flag, a piece of cloth, above both God and country (though I also disagree with "under God" being there because it crosses the line into state-sanctioned religion)