U.S. President Donald Trump said on Monday (July 7) that the August 1 effective date for U.S. tariffs was firm, but that he was open to extensions if countries made proposals. <br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline