President Donald Trump's approval rating has sunk to the lowest ever, with voters expressing displeasure with the war with Iran and the cost of living. A new Daily Mail/JL Partners poll found that Trump's approval rating has slipped to 42 percent.That's down from the 44 percent approval he received on March 3, just days into the Iran conflict. Trump held a 48 percent approval rating as recently as late January. Trump's performance in the Middle East is partially driving the disappointment. Twenty-eight percent of respondents cited the war as the top reason they disapprove of the job the President is...