Reviewed by Kathleen Amboy.  Viewed at the Riviera.   Brothers is a film about a military hero who is preparing to depart on a fourth tour of duty in Afghanistan, while his ex-con brother,  recently released from prison, has zero ambition in his life. Tobey Maguire plays Capt. Sam Cahill, a considerate husband to his wife Grace (Natalie Portman), and loving father of two young daughters.  His … Continue reading Brothers (Jim Sheridan, 2009): USA