<span>it's easy to take certain freedoms for granted: freedom of speech, freedom of religion, freedom to wear white shoes after Labor Day. Many times, we don't notice our freedoms until they're gone. This is what happens to the people of Iran in the 1980s, when Marjane Satrapi's story begins. Revolutionaries who speak out against the regime are executed; everyone is expected to dress as though they are Muslim fundamentalists, especially women who need head-to-toe coverings and a veil.</span>
There's no other answer that is reasonable but the one you picked. I don't know about you, but when I'm at home talking, I sometimes use my hands as punctuation. Both my wife and I talk with enthusiasm. That word might is very strong and very important. It means he's talking on the phone while the other hand MIGHT be on the wheel. If he's in a fight with the other half, he might have one hand on the wheel and he might not.
So go with what you think.