Joe Gibbs retired for a second time Tuesday, six weeks after an ignorant timeout decision costing a November game in Buffalo brought critics out of the woodwork only to be silenced by Washington’s determined four-game winning streak to make the playoffs. Gibbs will be remembered for controlling the line of scrimmage with brutal line play, amassing yards and points with innovative offensive sets, and making the most of each player’s talents. The most recent stint with the Redskins proved that Gibbs could connect with a new generation of players, despite conventional wisdom purporting that such team building was irrelevant in …