driver cell phone use more dangerous than talking to passenger

mcall.com — Q: We have lately read how driving while texting is as dangerous, if not more so, than driving with a blood-alcohol level of .10. We have also heard that when driving with a phone in one's hand, or even while talking on a hands-free device, our concentration suffers and accidents increase.
Anyone who doesn't admit to being distracted on the phone while driving... t.co/KF8pPwXL
Is talking on the phone while driving more distracting than talking to a passenger? The Road Warrior finds out:t.co/67ozjyFS