The first skirmish in the war over the GOP WH nomination takes place this weekend among thousands of conservative activists, and veterans of previous straw polls see a tight battle between ex-MA Gov. Mitt Romney and ex-AK Gov. Sarah Palin developing at this week's Conservative Political Action Conference. In an informal survey of GOP party leaders, strategists, activists and pundits representing backers of virtually every potential candidate in the field, a narrow plurality say Palin will win this weekend's straw poll. 22 of 48 GOPers surveyed chose Palin, while 20 chose Romney. Ex-House Speaker Newt Gingrich and MN Gov. Tim...