LONDON (Reuters) - Oil prices fell on Monday on concerns about scarce storage capacity and global economic doldrums from the coronavirus pandemic.U.S. oil futures led losses, falling by more than $2 a barrel on fears that storage at Cushing, Oklahoma, could reach full capacity soon.U.S. West Texas Intermediate June futures fell $2.42, or 14.3%, to $14.52 a barrel by 0830 GMT.Brent crude was down 90 cents, or 4.2%, at $20.54 a barrel. The June Brent contract expires on Thursday.Oil futures..