Americans have been trending in a more isolationist, anti-war direction. Particularly on the right, the ascendant view is that the world’s problems are not necessarily ours.

Speculation is growing the US could become more directly involved in the war

Residents of Iran's capital were seen leaving the city and shops and the historic Grand Bazaar were closed Tuesday — the fifth day of the intensifying conflict started by Israel — hours after U.S. President Donald Trump urged the immediate evacuation of Tehran in an ominous social media post.