War chests swell for ballot fight over oil and gas

The money being raised for a fight over ballot issues aimed at oil and gas operations in Colorado continues to rise.

Reports filed Monday with Colorado Secretary of State Wayne Williams' office detail financial activity for the first two weeks of May.

The group called Yes for Health and Safety Over Fracking that is pushing for three ballot measures - including a proposal that could trump the recent Colorado Supreme Court ruling overturning local bans on fracking as illegal - reported raising…