Why does Michelle Thaller not like the balloon model ?

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Anybody wanna ? (picture included? )

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.