Well, it looks like Sprint and Clearwire aren't taking any chances when it comes to some of the new antitrust rules now in place. Clearwire has just announced that the three Sprint executives now on its board will be resigning out of an "abundance of caution" -- that includes Sprint CEO Dan Hesse, along with division presidents Keith O. Cowan and Steven L. Elfman. Not many more details than that at the moment, but Sprint does still hang onto the right to appoint members to the Clearwire board, and the four Sprint appointees currently on the board will remain in place. As The Wall Street Jou
