The all-Republican Federal Trade Commission agreed to approve a $13.5 billion ad merger if it includes a ban on steering ad dollars away from platforms or publishers based on “political or ideological viewpoints.” The order, which was reported by The New York Times earlier this month, would prevent ad giant Omnicom from wholesale avoiding platforms like X based on their political viewpoints without explicit direction from its advertiser customers. X lost advertisers in 2023 after placing…