US President Donald Trump at a Sunday campaign rally ratcheted up his push to link US Senate candidate Abdul El-Sayed to Muslim extremists, comparing him to the September 11 attackers while saying Democrats would let violent anti-American terrorists into the United States. “I’m here to keep a jihadist, Muslim Brotherhood member from becoming a United States senator,” Trump told a receptive audience in Port Huron, Michigan. If he ‌wins, El-Sayed would be the first Muslim elected to the US Senate....