You are not the only one who has brought that up-
A few articles comparing Newt to Churchill:
http://www.rightnation.us/forums/index.php?showtopic=181725
http://bobmccarty.com/2011/12/07/newt-gingrich-americas-21st-century-churchill/
http://www.nationalreview.com/corner/284220/mcquaid-gingrich-resembles-churchill-brian-bolduc
Article from May 2011 about Newts chances of winning:
Thx for those links. I had read the Jeffrey Lord one (and emailed it to friends) and look forward to reading the others.