Dear Diary: Out of a super-abundance of caution, I have warned the masses again today that Ebola can't be caught on a bus. This I know from my childhood in Kenya, Indonesia Hawaii when I often traveled by bus and never caught Ebola. There are things I know that most people would be astonished by. Did you know, for instance, that choom smoke is densest near the ceiling of a minivan? But enough about me.