Q: Why does $GILD want $RCUS ?  A: realizes having  anti-PD-1 (anti-checkpoint inhibitor) alone is not enough. $RCUS pipeline has both anti-PD-1 and anti-TIGIT (another checkpoint inhibitor)  $GILD going after anti-PD-1 $MRK (Keytruda), $BMS (Opdivo) and Roche (Tecentriq)