You found your problem
bill, you have identified the problem yourself. Spark to distributor, but no spark at plugs. It is either the cap or the rotor or the distributor end of the coil wire is broken. Or as a remote possibility the drive for the rotor is sheared or broken.
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
"Warranty" is just another way of postponing the inevitable.