[['district', 'incumbent', 'party', 'first elected', 'results', 'candidates'], ['wisconsin 1', 'paul ryan', 'republican', '1998', 're - elected', 'paul ryan (r) 66% jeffrey thomas (d) 34%'], ['wisconsin 2', 'tammy baldwin', 'democratic', '1998', 're - elected', 'tammy baldwin (d) 51% john sharpless (r) 49%'], ['wisconsin 3', 'ron kind', 'democratic', '1996', 're - elected', 'ron kind (d) 64% susan tully (r) 36%'], ['wisconsin 5', 'tom barrett', 'democratic', '1992', 're - elected', 'tom barrett (d) 78% jonathan smith (r) 22%'], ['wisconsin 6', 'tom petri', 'republican', '1979', 're - elected', 'tom petri (r) 65% dan flaherty (d) 35%'], ['wisconsin 7', 'dave obey', 'democratic', '1969', 're - elected', 'dave obey (d) 63% sean cronin (r) 37%'], ['wisconsin 8', 'mark green', 'republican', '1998', 're - elected', 'mark green (r) 75% dean reich (d) 25%']]
Tammy Baldwin had the lowest margin of victory
[ENT] had the lowest margin of victory