U.S. Rep. William Delahunt blew nearly $560,000 in campaign cash last year - much of it on lavish meals and a family-friendly payroll that includes his ex-wife, son-in-law and daughter - stoking speculation the Quincy Democrat is emptying his war chest and won’t seek re-election. -snip- Delahunt told the Herald last week that he was still weighing whether to seek re-election, but Democratic Party sources have privately indicated his departure is anticipated - and expected to draw a host of candidates-in-waiting out of the woodwork.