DEAR READERS: I want to wish everyone a very happy Fourth of July. As you are hopefully enjoying barbecues and fireworks, you may want to read some of the following famous patriotic poems. I hope you enjoy them as much as I do. “I Hear America Singing,” by Walt Whitman “I hear America singing, the varied carols I hear, / Those of mechanics, each one singing his as it should be blithe and strong, / The carpenter singing his as he measures his plank or beam, / The mason singing his as he makes ready for work, or leaves off work, / The boatman singing what belongs to him in his boat, the deckhand…