Backers of Kansas City’s proposed $346 million performing arts center have managed to raise only $11 million of the $45 million they’d hoped to raise by February 1 in order to keep the controversial project on track. Without a successful campaign, it is unlikely that construction could begin on the center this year. As an incentive to potential donors, PAC backers are offering to sell the naming rights for one of the venues within the center for $5 million.