At the top of the agenda. thank you so much, selina. nice to see you. well, the antarctica so-called doomsday glacier could be in critical danger. the glacier is about the size of florida. it's huge. it's dumping roughly 50 billion tons of ice into the ocean when it melts each year. now, scientists say recent satellite images show warming ocean currents could shatter a critical ice shelf that holds this glacier together. within the next five years, the result, sea levels rising by several feet, triggering irreversible climate changes. that's comforting. all right, on sunday some children w...