Hillary Clinton and Bernie Sanders seem to be taking different roads on their way to the Democratic Party's presidential nomination.

While Clinton is using the rubble of ground zero to attract delegates to the party's convention in Iowa, Sanders, on the other hand, is humming the harmonies of Simon and Garfunkel's music hit "America."

Their political ads are no more different than each other's personalities. One is in a fighting mood against the enemy, while the other is content in staying home.

Sander's commercial features Americans working on their farms while Clinton is pictured staring down at Vladimir Putin, the Russian President.

His support seems to be coming from the progressive communities located in Iowa's largest universities. However, it appears that those numbers will not be enough to win him the ticket in the caucus come Feb. 1.

This is perhaps the reason why he spent considerable time last Tuesday to rally voters in the state's most conservative localities.

The senator from Vermont appears to have a very simple goal: to drum up support in the western areas of the state, despite the impression that the statewide polls have been hiding - that of the possible weakness of these territories.

Clinton's ad is in stark contrast to the serenity implied in Sander's. Her commercial is more belligerent in tone. It showed videos of Donald Trump and Ted Cruz, the Republican presidential contenders in their unsavory moments. Cruz is shown firing an assault weapon, while Trump is shown shouting at one of his political rallies.

The ad of the former U.S. first lady seems to imply that the country will be in dire straits if the party will not choose her as its presidential candidate.

After months of trailing, Sanders seems to be catching up and is now nearly neck-to-neck with Clinton. The effectiveness of their campaign approach will be tested in the first week of February.