The lovely banks of the river Tagus at sunset in Lisbon. (Francisco Seco/AP)

President Obama went to a familiar pool to fill the latest ambassadorship, this one to lovely Portugal: his list of top campaign donors. Obama announced Thursday that attorney Robert Sherman, who bundled more than $2 million in donations in both the 2008 and 2012 elections, was his nominee for the diplomatic post.

Sherman helped found the Boston office of mega-law firm Greenberg Traurig,

Of course, we’ve seen this before. The president has made diplomats of many of his big money-men and -women — or at least he’s nominated them. The Senate’s got its work cut out with a slew of ambassador nominees to plow through.