. >> twitter chief communications officer gabriel stricker discusses the companies address to limit free speech concerns and limiting trolling. s he spoke at the university of california berkeley, which is celebrating the anniversary of the free speech movement on its campus. >> today, it's an absolute delight for me to introduce and welcome gabriel stricker. he is a cal alum. he's chief of communications at twitter. chief communications officer. we will be welcoming back not just for this event, but he also has been helping berkeley think about and celebrate the 50-year anniversary of the free-speech movement, which is really quite an important year in berkeley this year. his bachelor of arts was in latin american studies as an undergraduate here at berkeley. his current role as chief communications officer, he leads the global teams for media relations and public policy and media partnerships more generally at twitter. he first came to twitter in 2012, stepping into what some have called one of the world's absolutely highest profile roles in the communications field. now, he has, in fa

. >>> twitter chief communications officer gabriel stricker discusses the company's efforts to address free speech concerns while limiting abusive practices such as trolling. mr. stricker spoke at the university of california berkeley, which is celebrating the 50th anniversary of the free speech movement on its campus. >> it's a delight for me to introduce gabriel stricker. he is a cal alum, some of you already know that. he's chief of communications at twitter. chief communications officer. we will be welcoming back not just for this event but also he has been helping berkeley think about and celebrate the 50 year anniversary of the free speech movement which is quite an important year in berkeley this year. his bachelor of arts was in latin american studies. as an undergraduate here at berkeley. his current role as chief communications officer, he leads the global teams for media relations and public policy and media partnerships more generally at twitter. he first came to twitter in 2012 stepping into what some have called one of the world's most high profile roles in the communicat

then twitter chief communication officer gabriel stricker and the company's efforts to address free speechncerns while limited abusive practices such as trolling. >>> the c-span cities tour visited historic sites across the nation to hear from local historians and authors and civil leaders every other week on book tv and american history tv on c-span 3. and this month with congress on the summer recess, the cities tour is on c-span each day at 6:00 p.m. eastern. today we travel to greensboro, north carolina to learn about the literary life of that city. >> now a look at conservative messaging for the 21st century. political commentator and author bill whittle addressed an audience at the conservative forum of silicon valley looking at ways conservatives can reach young voters using pop culture and making political candidates more appealing. [ applause ] >>> hi, everybody. i like to get this a little closer to me in case i decide to pick up a little religion tonight, and take a step back so i can hear how loud i'm being. it is a pleasure to be back up here. last time i didn't realize how cl

twitter chief communications officer gabriel stricker and the company's addressing free speech practices and eliminating abuses, such as trolling. >>> today at 4:00 p.m., a hearing on the growing trend in heroine abuse and possible solutions to the problem. white house director of national drug control policy and the dea's acting deputy director testify. they also discuss pain relief medications. that hearing is on c-span. >>> tonight on c-span, portions of the annual netroots nation conference from phoenix. you'll hear liberal activists discussing how to elect more democrats to local office and strategies for electing more women and minorities as well. here's some of that. >> helping candidates understand they do have some resources needed in order to raise competitively. every state has different laws around who gets paid, who doesn't, how much you're allowed to contribute. but i meet so many women who are like, i'm not rich. i don't have a lot of rich friends. i can't run for office because of that. when they are sitting on a facebook list of 5,000 and a phone -- a phone that has 8,00

also, former twitter communications director gabrielle stricker on that company's mission and efforts balance free speech and privacy concerns. ♪ >>> it'll be a month or so before debate begins in earnest on capitol hill on the iran nuclear deal. but the case for the deal and against the deal is being made on the campaign trail, by the president in the press, and also on social media across the country, across the world, and as we mentioned, the campaign trail. you heard from jeb bush, some of his comments on the iran nuclear deal. on this "washington journal," we want to ask you, who's making the best case for the iran nuclear deal? you can join the conversation on the phone. republicans, 202-748-8001. democrats, 202-748-8000. all overs, 202-748-8002. you can tweet us @cspanwj. there's reaction to the iran deal. it'll be a month or so before congress returns. they return on september the 8th. debate begins in earnest in the house and senate. front page this morning of the washington times looks at an opinion poll in new york city. the poll shows new york city supports schumer. they w