Vice President Kamala Harris’ decision to distance herself from the FTC’s populist chair could cost her with progressives, an economics professor warned Thursday. Politico noted that Harris has kept Federal Trade Commission Chair Lina Khan at “arm’s length” as Khan pushes an antitrust agenda, much to the chagrin of major Silicon Valley donors. Among her initiatives: Khan has taken an aggressive approach to antitrust enforcement, targeting tech giants such as Amazon, Meta and Microsoft. Want more breaking political news? Click for the latest headlines at Raw Story. While some Democrats in close…