The Kentucky Senate race is going to be close, but Democrat Alsion Lundergan Grimes might have to explain an in-kind campaign contribution that could be illegal. Ms. Grimes has been traveling across the state in a 45-foot long bus, which was acquired by her father, Jerry. He’s renting it to her campaign for a fraction of the market price, which violates campaign finance laws (via Politico): Federal campaign finance law bars a campaign from receiving goods and services below the fair market value from a corporation, regardless of whether it is owned by a family member. A review of Federal Election...