John McCain to hold first press conference as nominee

[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2008/images/09/23/art.mccain.thumbs.up.jpg caption="Sen. John McCain will hold his first press conference as a nominee Tuesday afternoon."]
(CNN) - John McCain will take a few questions from reporters Tuesday afternoon in Michigan - the first time he's had a press conference with traveling media in nearly six weeks, since August 13.