 A young tech professional, resident of Anchorage, stood at the podium in a dress shirt, tie and slacks, and with great poise, gave the Anchorage Assembly a three-minute lesson on Tuesday about why, this is a week ago, about why Anchorage is dying and why he's leaving. He doesn't say where, but he told them he moved to Anchorage in 2008 when he was 20 years old to get away from the hellscape of L.A.,