Property $\text{(u)}$ in $JH\tilde{\otimes}_\epsilon JH$
  It is shown that the tensor product $JH\epten JH$ fails Pe\l cz\'{n}yski's property (u). The proof uses a result of Kwapie\'{n} and Pe\l cz\'{n}yski on the main triangle projection in matrix spaces. 
Denny H. Leung