donald trump son-in-law jar kushner informally approach liontree advisors chief executive aryeh bourkoff set trump tv network u.s. presidential election investment bank want involve accord person familiar matter kushner contact bourkoff one media industry top dealmakers past months conversations source say monday source ask identify discussions private reason give liontree reluctance participate process financial time first report liontree talk early monday cite source on.ft.com/2dibnrx trump republican u.s. presidential nominee tell washington post last month interest media company report consider set one false rumor trail democratic rival hillary clinton opinion poll ahead nov. election kushner owner weekly new york observer newspaper marry trump daughter ivanka kushner respond request comment liontree decline comment set television network trump would negotiate cable satellite carriers arduous task take years turn profit fox news channel most-watched u.s. cable network take five years profitable might easy less expensive trump launch online stream service trump 's son-in-law hold talk set trump tv network source