Can people please state significant issues that Obama and McCain contradict on?

mccain has superior energy policy. need leave every avenue open secure our energy supply while @ same time developing alternative energy , changing our multi-trillion dollar petroleum-based infastructure. mccain's energy policy has gimmicky gas holiday (which won't anything), overall feel leaving options open support him.

mccain - expand domestic oil exploration, work lift restrictions on drilling. estimated outer continental shelf alone contains 77 trillion cubic feet of recoverable natural gas.

mccain has clean car challenge (you can read more on webpage) , incentive improve battery technology full commercial development of plug-in hybrid , electric automobiles.

mccain makes important disctinction between ineffective forms of ethanol e85/corn , more promising cellulosic ethanol, won't compete food crops.

mccain supports clean coal technology.

mccain plans build 45 new nuclear power plants 2030 ultimate goal of constructing 100 new plants.

mccain believes in handed tax credits (until market transforms sufficiently point renewable energy no longer merits taxpayers' dollars) alternative, low carbon energy - wind, solar, hydro ...

here source requested else's answer.
"john mccain double personal exemption dependents. john mccain believes tax code should less of burden on those, whether mothers , fathers or single parents, trying raise family. proposes raise personal exemption each dependent $3,500 $7,000. "
it's http://www.johnmccain.com/informing/issu... , mentioned in ap article http://ap.google.com/article/aleqm5inxta...

here obama's, "obama create new "making work pay" tax credit of $500 per person, or $1,000 per working family" , link http://www.barackobama.com/issues/econom...

and why sucha big deal ( or not big deal)

**note support obama, open both sides , hear arguments both sides. think want best candidate represent united states next 4 years.

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