Apple issues a mea culpa for the Mac Pro and promises a new model is on the way - just not this year. YouTube TV launches - it isn't perfect, but it may be the most promosing over-the-top TV solution. Facebook launches a fund to fight fake news. Jeff Bezos is spending $1 billion a year of his own money on Blue Origin. XBox's Project Scorpio specs revealed. Is the Twitter outrage over Pepsi's new ad justified? • Harry McCracken loves the serial comma. • Iain Thomson insists that it should properly be called the Oxford comma. • Christina Warren is more annoyed by people who mix up "your" and "you're". Host: Leo Laporte Guests: Harry McCracken, Christina Warren, and Iain Thomson