bogota colombia disarm farc rebel eye form political coalition 2018 elections ex-rebel leaders say friday group mark transition political party concert bogota central square former revolutionary arm force colombia farc whose political party call revolutionary alternative common force end part decades-long war kill 220,000 people 2016 deal grant amnesty fighters decision group preserve famous farc spanish acronym raise eyebrows give many colombians associate word decades bloodshed whether ex-rebels convince colombians many revile back new party remain see farc hold 10 automatic seat congress 2026 term accord may campaign others legislative presidential elections set 2018 party plan reach ideological ally try form coalition without abandon marxist commitments land reform social justice group say continue via exclusively political path historic goal aspiration new order social justice true democracy country say secretariat member ivan marquez close event group six-day conference inaugurate new party want ideas available transitional government reconciliation peace elections 2018 whose foundation great democratic coalition marquez say formal party launch feature musical performances plan speech farc leader rodrigo londono know nom de guerre timochenko take place bogota colonial bolivar square friday front crowd thousands long live peace shout crowd farc members stage display banners read welcome political life want one drop blood political reason want mother spill tear children suffer violence londono say hesitate extend hand gesture forgiveness reconciliation want colombia without hate londono say party would focus fight corruption poverty especially rural areas politics would easy first step present colombia political party strategic program proposal political action londono add farc often old-fashioned marxist rhetoric strike many throwback 1964 found concrete proposals reform complicate property laws could get traction rural voters struggle subsistence farmers farc leaders repeatedly express fear members could target assassinations repeat 1980s kill 5,000 members rebel-allied patriotic union party grow fail peace process government colombia 's farc political party look coalition 2018 elections