Ideas are like tennis balls at the outset of the week. You and a couple comrades are tossing them back and forth, for fun, to see what comes of them. The ease of a luxurious afternoon game defines monday, but tuesday and wednesday are high-energy and magnetic. You are radiant. The larger issues of the day: current events, that is: are on your mind on thursday, and your thoughtfulness leads you into philosophical terrain. Philosophy figures strongly on friday as well. This weekend, a couple of business matters occupy your mind and your calendar.