Complete ban imposed on Muslim refugees; wall to be constructed on Mexican border; Trump starts fulfilling his pledges; invites Modi to visit US; says US considers India a true friend; Modi vows to work closely with US WASHINGTON: US President Donald Trump took a first step toward fulfilling his pledge to "build a wall" on the Mexican border on Wednesday, signing two immigration-related decrees.Trump visited the Department of Homeland Security to sign an order to begin work to build a large...