1. Secretary of State John Kerry is defending the nuclear deal with Iran. He testified at a senate hearing on Thursday. Many Republicans however remain skeptical, saying the administration was bamboozled (fool or cheat sb) by Iran. 

2. Donald Trump toured the US-Mexico border. The GOP presidential candidate was met by some supporters and protestors angered by his recent remarks on immigration. At the last minute, local border patrol agents who had planned to join Trump on his tour canceled. 

3. US-trained Iraqi troops are being deployed to help retake Ramadi from IS militants. The announcement comes as Secretary of Defense Ash Carter made a surprise visit to Iraq. It's his first visit to the country since taking office. 

4. The US beat Iran in overtime to become champion of a robot cup tournament. The five-day event took place in China and is meant to help improve robotic research. 

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