Sanders Spent Heavily on Facebook In Days Before Iowa

(Bloomberg) -- As the Iowa caucuses loom, Vermont Senator Bernie Sanders has been plowing cash into an eleventh-hour ad campaign on Facebook Inc. He spent $795,000 advertising on the site from Jan. 26 to Feb 1., more than any of his rivals competing in Monday’s caucuses, according to data from Facebook.That money went towards a fusillade of Facebook ads in which Sanders asks for donations and criticizes the “political establishment.” One ad reads, in part, &