You mean like Ted Kennedy and Tip O'Neill?
Thinking back on what would have happened in the Civil War had the North not smoke or drink or allow the hookers to keep up the moral of it's forces. Worse enemy one can have is someone insane or roaring drunk afraid of nothing. The South were Gentlemen and played by the rules, the North were scalley wags, drunks and totally unpredictable.
I prefer a drunk like old Ted, he will be sober in the morning, to a Barney Frank who --Well you know.