Why did they support it in the first place?

The League of Women Voters will not be supporting electronic voting machines that don't provide a paper backup. But if this sentence from the article is any indication, this election could possibly already be screwed.

About 30 percent of the electorate will use touchscreen voting machines in the November election, and hardly any of the machines provide paper records that could be used in case of a contested election.

Greaaat...