The already-delayed professional sports seasons in North America could be on hiatus for significantly longer than first planned after federal officials said Sunday that they recommend all in-person events involving 50 people or more be called off for the next eight weeks.That’s twice as long as the 30-day shutdowns the NBA, NHL and Major League Soccer decided to put into place last week in response to the global coronavirus pandemic that has already made a deep impact on the U.S. financial markets and has been blamed for at least 64 deaths in this country.Major League Baseball also was going with what essentially was a 30-day shutdown after canceling the rest of spring training and pushing back the start of regular season play for two weeks; opening day was to have been March 26.But new recommendations from the Centers for Disease Control and Prevention on Sunday night seem to suggest that