Ok, plummets is an exaggeration. It didn't have that far to fall. But after seeing this, it may have just hit an all time low.
Update: apparently, Rep. Johnson was joking. At least, that's what he said in a written statement on Thursday. "The subtle humor of this obviously metaphorical reference to a ship capsizing illustrated my concern about the impact of the planned military buildup on this small tropical island," Johnson said in the statement. If that's the case - he's funny. But he's also very subtle.