bogota venezuela roman catholic church leaders say thursday would tell pope francis truly desperate humanitarian crisis country meet hop would throw spotlight problems cause political deadlock argentine pontiff visit colombia ask bishops neighbor venezuela meet brief situation short meet take place pope mass thursday night cardinal jorge urosa savino archbishop caracas tell reporters ahead meet country mire truly desperate situation people eat garbage people die medicine want remind pope ... government everything possible establish state system totalitarian marxist urosa say wednesday francis tell reporters hop venezuela could find stability venezuela convulse months near-daily demonstrations leftist president nicolas maduro critics say plunge oil-rich country bad economic crisis history turn dictatorship maduro say victim arm insurrection economic war u.s.-backed opponents seek gain control opec member oil reserve world body foreign governments express concern shortage food medicine venezuela call political dialogue maduro opposition church leaders venezuela make series highly critical speeches since late last year vatican mediate talk government opposition 2016 ultimately break venezuela crisis also spark increase border cross colombia struggle supply social service migrants meet real gift pope give venezuelan people bishops say archbishop merida cardinal baltazar porras cardozo venezuelan bishops tell pope 'truly desperate situation