BY STEVE LACKMEYER Business Writer slackmeyer@oklahoman.comThe Omni sign soon could glow atop a sleek glass 19-story tower hovering over the Chesapeake Energy Arena, the new convention center and park. The hotel, however, comes with a cost. Oklahoma City Council members will be asked Tuesday to pursue a deal with Omni to build the 600-room headquarters hotel to tie into the city's future $288 million convention center. The proposal calls for $85.4 million in public assistance, with Omni financing the remaining $150.1 million of the $235.5 million hotel.Read more on NewsOK.com