Thousands of Kurdish fighters have a launched a ground invasion in Iran, according to a US official. The Kurdish militias, based across the border in Iraq, began the offensive in northwestern Iran on Wednesday. President Donald Trump on Sunday night spoke with the heads of Kurdish militant groups in Iraq to discuss the situation in Iran. The CIA was exploring plans to arm the Kurdish forces with the aim of sparking a popular uprising, CNN reported Tuesday. The Kurdish groups are widely seen as the most well-organized faction of the fragmented Iranian opposition and are believed to have thousands of...