We were going to lay off the criticism of WOWT "anchor" Pat Persaud, but if the station's going to make us suffer for nearly another month, we're going to keep bitching about her incompetence.• Pat's "Family Health" report on Friday's 6 p.m. cast focused on "Blackberry Thumb," a condition caused by too much text messaging. Clever little elf that she is, Pat noted that for text messagers hoping to