(Photo credit: John David Mercer-USA TODAY Sports) PARIS -- Franz Wagner and Germany overcame a sleepy start to ease past Greece, 76-63, on Tuesday and became the first team to reach the semifinals of the Paris Olympic men's basketball tournament. Wagner led Germany with 18 points while Dennis Schroeder chipped in with 13 as the World Cup winners improved their record to 4-0 securing their spot in a first ever Olympic fi