(Bloomberg) -- Some of the tech industry’s most prominent and powerful leaders will descend on Capitol Hill Wednesday for a Senate hearing focused on protecting children online. Most Read from BloombergDonald Trump Loses London Case Against Ex-MI6 Spy Over Kremlin DossierA $560 Billion Property Warning Hits Banks From NY to TokyoApple’s China Slump Deepens Even as Total Sales Grow AgainQQQ Up in Late Trading as Meta Soars, Apple Falls: Markets WrapApple China Slowdown Sparks Fears That Prized Ma