Aporting from washington, laura trevelyan. The democrats are hours away from the next debate tonight, all eyes will be center stage as liberal lions Elizabeth Warren and Bernie Sanders go headtohead. Lib is under attack. The syrian city is being bombarded by gernment forces backed by russia. Dozens of children are among the dead. Plus, it is a family affair. Jada Pinkett Smith and her daughter host a web ch show, giving them the freedom to do what they are best at. Jada we just like to get to the table and talk. We don of, daaa do a whole lot [laughter] laura for those watching on pbs and around the globe, welcome to world news america. In just a few hours, there democraticdential hopefuls will begin the next debate, all of them trying to prove they are the one to take on President Trump. But first, they must make it through a crowded field. Ov the next two nights, each candidate is looking for the winning moment. The bbcs barbara plettusher is at the debate site in s troit and jo now.