Chicago Cubs fan slaps younger fan for not standing during National Anthem in viral video

Who says patriotism is dead in this country?

America's 250th birthday has had plenty of moments where citizens have shown their country some love, but on Sunday afternoon, one patriot got a little too physical.

Before the Chicago Cubs and Minnesota Twins game, as the Jersey Girls were belting out a performance of "The Star Spangled Banner," fans rose to their feet, as is customary during the singing of our national anthem.

50 YEARS AGO TODAY, CUBS OUTFIELDER RICK MONDAY SAVED...