PARK CITY, UTAH Jan. 25 (UPI) -- If I Had Legs I'd Kick You , which premiered Friday at the Sundance Film Festival, captures the demands placed on people by a negligent world. It is relatable for anyone who's dealt with a crisis, but it especially illustrates the burdens placed on mothers. Linda (Rose Byrne) has a daughter (Delaney Quinn, kept off screen until the very end) with a medical condition that requires a feeding tube. While dealing with the hospital, a burst pipe opens a hole in her