School finance issue at root of Jones challenge BY ELLIOTT BLACKBURN AVALANCHE-JOURNAL Challengers are assailing one local incumbent for his support of several bills last legislative session, but it is one issue in particular that has the veteran legislator on the chopping block, according to political observers throughout the state. State Rep. Delwin Jones, R-Lubbock, broke ranks last year to vote against a tax bill changing the school finance structure. The bill was supported by the rest of the Lubbock legislative delegation and most Republicans. He voted in support of a Democratic alternative to the bill. That sealed it for...