Actor Patrick Stewart, known for his roles in "Star Trek" and "X-Men" has died after a brief battle with Alzheimer’s disease and Lewy body dementia, according to a statement. Now, tributes are pouring in for the legendary actor whose career spanned more than six decades from the Shakespearean stage to the big and small screen. Stewart was 86. NBC’s Liz Kreutz reports for TODAY on his remarkable career.