"Look for me there," news legend Tim Russert would tell his son, Luke, when confirming a pickup spot at an airport, sporting event, or rock concert. After Tim died unexpectedly, Luke kept looking for his father, following in Tim's footsteps and carving out a highly successful career at NBC News. After eight years covering politics on television, Luke realized he had no good answer as to why he was chasing his father's legacy. As the son of two accomplished...