Listen to Australian and world news and follow trending topics with SBS News Podcasts.TRANSCRIPTThe gunman behind an apparent assassination attempt is expected to be formally charged in court today - after he stormed the White House Correspondents Press Dinner over the weekend.Cole Tomas Allen was tackled and hogtied before he entered the ballroom in the Washington Hilton Hotel which was packed with journalists, administration officials, and the U-S President.U-S Donald Trump has provided details about a manifesto authorities are reviewing as investigations continue. "And the guy is a sick guy When you're not impactful, they leave you alone."He says the incident proves it's necessary to demolish the East Wing of the White house and build an enormous and controversial ballroom."I will say, you know, it's not a particularly secure building, and I didn't want to say this, but this is why we have to have all of the attributes of what we're planning at the White House