For the first time in two years and in honor of Holocaust Remembrance Day (Yom HaShoah), a multimedia exhibit of gritty imagery and eyewitness testimony is being shown at Pleasanton's Firehouse Arts Center through May 28. "A lot of it is black-and-white paintings," said Larry Lagin, a local painter and president of the East Bay Holocaust Education Center. "There is some color in a few of the paintings, but it's mostly black and white and it's kind of harsh. The brushstrokes are kind of brash, but I hope people can see some of the emotion that I felt while doing...