Probably because they think the following will never happen.
Even though mussels are extremely inexpensive, Americans have never taken to them in a big way for cooking at home, probably because they think the mussels will be a chore to prepare.
The lone holdouts are basically one guy who's been a presumed candidate since November of 2012 (Scott Walker) and two guys (John Kasich and Jim Webb) who are waiting to announce, probably because they think that after a sufficient amount of time passes, we'll all be nostalgic for that period of time when everyone was making announcements.
If you go to a gym and ask for trainers and get an interesting answer or a ridiculous price, it's probably because they think you're talking about a coach.
Nor do they commonly substantiate the assertion, just possibly because they think it is self-evident, more probably because they haven't the foggiest notion why - it's just something they once heard, and repeating it has always gone down well at all those stuffy dinners and conferences it is their lot to attend.
But civilian officials vetoed the attack -- probably because they thought it might undermine political support for the war against Saddam.
"They always gave us fish on Fridays, probably because they thought we were all good Catholic boys and had to abstain from meat on that day.
"The gunship helicopters came and hit two mosques, probably because they thought people were hiding there," Mr. Shah said after arriving at a hotel in the central bazaar in Peshawar.
I must admit that I'm as mystified as many other people about that but I think it's true to say that, historically, radio has always used two commentators probably because they thought one man's voice over 90 minutes might be too tedious when you think he's talking all the time, which of course on television he isn't.
Almost nobody bought it, Bush recalls, probably because they thought it was an attempt to revive the moribund aluminum hypothesis.
