When considering the Lord our God is a jealous God, and the Lord Jesus Christ has demanded all our allegiance to be His disciple, pledging allegiance to a flag of an earthly nation has always appeared wrong. This was further brought home when attending a community-wide worship gathering, I noticed the majority of men removed their hats for the Pledge of Allegiance to the American Flag, and then returned their hats for the following prayer.
I really thought I was some sort of "Lone Ranger" in this department of Kingdom living, and then I ran across the following article which expresses the same concerns and has other links of interest.
For a longer more detailed explanation click here for an article by Steve Hampton.
Click here for the link to procinwarn.com which has pledge concerns, in addition to the Masonic Order connections.