Apple CEO Tim Cook will sit with First Lady Michelle Obama during President Obama's State of the Union address on Tuesday night. It marks the second year in a row the invitation has been extended to the Apple family. Last year, Laurene Powell Jobs, widow of Apple co-founder Steve Jobs, joined Michelle Obama in the coveted spot. During an appearance on CNBC, White House economic advisor Gene Sperling confirmed Cook's participation. "Apple is a great American company, and it stands for our sense of innovation, invention, entrepreneurship, and risk taking and I think that's quite an appropriate person to be...