A new poll finds Democrats and Republicans have wildly different reactions to the upcoming celebration. This Fourth of July, America turns 250 years old. How you feel about this fact could indicate your politics. The 250th anniversary celebrates the signing of the Declaration of Independence on July 4, 1776. But a new Reuters/Ipsos poll of 1,500 U.S. adults found that opinions about honoring the nation’s milestone birthday were sharply split across party lines. For Republican respondents, the