Nuclear meltdown. Woodruff all that and more on tonights pbs newshour. Major funding for the pbs newshour has been provided by babbel. A language app that teaches reallife conversationuain a new la, like spanish, french, german, italian, and more. Financial Services Firm raymond james. Consumer cellular. Supporting social entrepreneurs and their solutions to the worlds most pressing problemssk lfoundation. Org. The lemelson foundation. Committed to improving lives through invention. In the u. S. And developing countries. Eb on thet lemelson. Org. Supported by the john d. And catherine t. Macarthur foundation. Comm just, verdant and peaceful world. More information at macfound. Orh and with e ongoing support of these institutions his program was made possible by the corporation for public broadcasting. And by contributions to your pbs station from viewers likyou. Thank you. Oodruff protesters in hong kong are promising more mass demonstrations after a day that erupted into violence. Pol