Boris Johnson’s Foray Into Brexit Talks Ends in Retreat From Protests

(Bloomberg) -- Boris Johnson said he is optimistic about reaching a deal with the European Union even though a day of Brexit talks descended into disarray as he canceled a news conference after it was ambushed by protesters.A noisy demonstration, in which protesters could be heard shouting “dirty liar” as music blared, prompted Johnson’s team to ask their hosts in Luxembourg to move the presser indoors -- but the request was denied.Johnson departed the chaotic scene, leaving be