 Meantime, there's mounting pressure on President Biden, facing growing calls to drop out of the race from fellow Democrats, donors, and others who don't think he's up to the fight. Sources tell ABC News Biden is now open to discussions over dropping out. And chaos and frustration at airports worldwide after Friday's massive cybersecurity outage caused by a software glitch from the global IT company CrowdStrike. Check your airline. Travel is still a mess. This is ABC News.