Social Pro DailyJulián Castro’s Comment on Police Violence Was the Top-Tweeted Debate MomentJoe Biden was the most-discussed Democratic presidential candidate Tuesday nightBy David Cohen|October 16, 2019 President Donald Trump was the most-tweeted-about U.S. politician overallTwitterShareBy David Cohen|October 16, 2019 ShareJulián Castro, who served as Secretary of Housing and Urban Development under former President Barack Obama, provided the most-tweeted moment of the fourth Democratic presidential candidates’ debate Tuesday night.The most-tweeted moments during the event were:Castro saying, “Police violence is also gun violence”Former Vice President Joe Biden criticizes President Donald Trump’s Syria policySen. Kamala Harris (Calif.) discusses women’s access to reproductive health careThe most-tweeted-about Democratic candidates Tuesday night were:BidenSen. Elizabeth Warren (Mass.)Sen. Bernie Sanders (Vt.)HarrisSouth Bend (Ind.) Mayor Pete ButtigiegRep. Tulsi Gabbard (Hawaii)And the most-tweeted-about U.S. politicians overall were:TrumpBidenWarrenSandersHarrisButtigieg Twitter Adweek Adweek