security. the koch s neighbor to the north is the oracle of omaha, warren buffett. his net worth is estimated at $66 million. he also owns large stakes in corporations like coca-cola, american express and ib m. he s contributed mostly to the democratic party but a lot of you might have forgotten or never known in the first place that his political roots are republican. thanks to his father, howard buffett, who represented nebraska s second district in congress in the 40s and 50s. but a young warren buffett switched parties in the 60s because his views on civil rights were more aligned with the democrats. he uses his public platform to talk about his economic opinions and charitable causes. a buffett endorsement alone is far more valuable than the amount of money he spends some thing. 2012 he spoke out in favor of