Missouri's biggest political contributor is fighting against a constitutional amendment that would severely limit his power.
Libertarian multimillionaire Rex Sinquefield and one of his lobbyists, Travis Brown, filed a lawsuit against Secretary of State Jason Kander and Auditor Tom Schweich, arguing that a proposed ballot initiative violates their right to free speech.
St. Louis aldermen have begun considering whether to limit the amount of money flowing into city politics.
The measure from Ald. Scott Ogilvie limits donations of all kinds to $3,000 for aldermanic races, and $10,00 to contests for board president, mayor and comptroller. The amounts are indexed to inflation, but they do not apply to candidates spending their own money.
The Missouri Senate declined to vote on an ethics bill, including a proposal to reinstate campaign contribution limits.
The Senate on Wednesday debated the measure that also would have imposed a 10-year period before lawmakers could become lobbyists. The bill also would've required lawmakers to electronically report contributions of more than $25 during legislative sessions.
Time is running short for any legislative efforts to tighten Missouri's campaign finance rules.
Campaign finance appears to have taken a secondary position at the state Capitol, where the focus has included economic development, taxes and the Medicaid health care program for the poor and disabled. Lawmakers have about a month remaining until their mandatory adjournment.